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30 Jul 2016, 02:43
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Difficulty:
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Question Stats:
79% (01:26) correct
21%
(01:47)
wrong
based on 612
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The Atlantic Ocean, the second youngest of Earth's five oceans, originated 130 million years ago when the Americas separated from Africa and, as Earth's plates continue to move, has been expanding ever since.
A) originated 130 million years ago when the Americas separated from Africa and, as Earth's plates continue to move, has been expanding
B) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue to move, expanding
C) had originated 130 million years ago as the Americas separated from Africa and, with Earth's plates continuing their motion, is expanding
D) had originated 130 million years ago because the Americas separated from Africa and, while Earth's plates continue to move, expanding
E) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue their motion, was expanding
A) originated 130 million years ago when the Americas separated from Africa and, as Earth's plates continue to move, has been expanding
B) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue to move, expanding
C) had originated 130 million years ago as the Americas separated from Africa and, with Earth's plates continuing their motion, is expanding
D) had originated 130 million years ago because the Americas separated from Africa and, while Earth's plates continue to move, expanding
E) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue their motion, was expanding
30 Jul 2016, 04:29
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The Atlantic Ocean, the second youngest of Earth's five oceans, originated 130 million years ago when the Americas separated from Africa and, as Earth's plates continue to move, has been expanding ever since.
A) originated 130 million years ago when the Americas separated from Africa and, as Earth's plates continue to move, has been expanding --- The best; originated is correct tense; has been expanding denotes that the feature started in the past and is continuing ever since in the present and may extend in the future too. The use of when indicates the proper time reference
B) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue to move, expanding--- The second part is a phrase without a verb. We cannot combine a verbless phrase with a verbed clause, as it would be unparallel construction. Per se, the structure is a fragment.
C) had originated 130 million years ago as the Americas separated from Africa and, with Earth's plates continuing their motion, is expanding – had originated is a wrong tense. Origination and separation happened simultaneously. – is expanding is less apt to describe something that started in the past.
D) had originated 130 million years ago because the Americas separated from Africa and, while Earth's plates continue to move, expanding –1. same errors as in B and C. 2. Because is an unsuitable conjunction giving a tweak of cause and effect
E) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue their motion, was expanding – was expanding is inappropriate with ever since
A) originated 130 million years ago when the Americas separated from Africa and, as Earth's plates continue to move, has been expanding --- The best; originated is correct tense; has been expanding denotes that the feature started in the past and is continuing ever since in the present and may extend in the future too. The use of when indicates the proper time reference
B) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue to move, expanding--- The second part is a phrase without a verb. We cannot combine a verbless phrase with a verbed clause, as it would be unparallel construction. Per se, the structure is a fragment.
C) had originated 130 million years ago as the Americas separated from Africa and, with Earth's plates continuing their motion, is expanding – had originated is a wrong tense. Origination and separation happened simultaneously. – is expanding is less apt to describe something that started in the past.
D) had originated 130 million years ago because the Americas separated from Africa and, while Earth's plates continue to move, expanding –1. same errors as in B and C. 2. Because is an unsuitable conjunction giving a tweak of cause and effect
E) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue their motion, was expanding – was expanding is inappropriate with ever since
General Discussion
30 Jul 2016, 04:17
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A) originated 130 million years ago when the Americas separated from Africa and, as Earth's plates continue to move, has been expanding - Correct
B) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue to move, expanding - Incorrect. "X originated................. and expanding ever since" is awkward.
C) had originated 130 million years ago as the Americas separated from Africa and, with Earth's plates continuing their motion, is expanding - Incorrect. No need to use past perfect
D) had originated 130 million years ago because the Americas separated from Africa and, while Earth's plates continue to move, expanding - Incorrect - Incorrect. No need to use past perfect
E) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue their motion, was expanding - Incorrect. 'with the Americas separating..... and was expanding' is awkward. Option A correctly uses 'when' to refer to the time frame
Answer: A
B) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue to move, expanding - Incorrect. "X originated................. and expanding ever since" is awkward.
C) had originated 130 million years ago as the Americas separated from Africa and, with Earth's plates continuing their motion, is expanding - Incorrect. No need to use past perfect
D) had originated 130 million years ago because the Americas separated from Africa and, while Earth's plates continue to move, expanding - Incorrect - Incorrect. No need to use past perfect
E) originated 130 million years ago with the Americas separating from Africa and, as Earth's plates continue their motion, was expanding - Incorrect. 'with the Americas separating..... and was expanding' is awkward. Option A correctly uses 'when' to refer to the time frame
Answer: A
