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Mahmud6
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Not only do astronauts risk shortage of oxygen, if they stay outside t 13 Aug 2017, 03:36
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

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15% (low)

Question Stats:

71% (01:14) correct 29% (01:19) wrong based on 180 sessions

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Not only do astronauts risk shortage of oxygen, if they stay outside the shuttle for too long, but they also fall prey to sickness caused by lack of gravity, if they stay in space for very long periods.

A. Not only do astronauts risk shortage of oxygen, if they stay outside the shuttle for too long, but
B. Astronauts risk shortage of oxygen, if they stay outside the shuttle for too long ,but
C. Shortage of oxygen is risked by deep sea divers if they descend below 200 feet, in addition
D. Staying outside the shuttle for too long causes astronauts to risk shortage of oxygen, and
E. Not only does astronauts risk shortage of oxygen, if they stay outside the shuttle for too long, but

Source: QS LEAP
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A
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Not only do astronauts risk shortage of oxygen, if they stay outside t 29 Sep 2017, 11:57
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Mahmud6
Not only do astronauts risk shortage of oxygen, if they stay outside the shuttle for too long, but they also fall prey to sickness caused by lack of gravity, if they stay in space for very long periods.

A. Not only do astronauts risk shortage of oxygen, if they stay outside the shuttle for too long, but
B. Astronauts risk shortage of oxygen, if they stay outside the shuttle for too long ,but
C. Shortage of oxygen is risked by deep sea divers if they descend below 200 feet, in addition
D. Staying outside the shuttle for too long causes astronauts to risk shortage of oxygen, and
E. Not only does astronauts risk shortage of oxygen, if they stay outside the shuttle for too long, but

Source: QS LEAP
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B, C and D are clearly incorrect.

E makes the mistake of using DOES with ASTRONAUTS. HEnce, Incorrect.


Clearly, our answer is A.
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Not only do astronauts risk shortage of oxygen, if they stay outside t 29 Sep 2017, 12:36
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E has subject verb agreement error.
Refer no underlined portion of sentence for if sentence. It matches with A,B and E. E is wrong as mentioned. B has meaning error. So A is the correct one.

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