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24 Jul 2017, 11:56
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
62% (01:04) correct
38%
(01:12)
wrong
based on 663
sessions
History
Date
Time
Result
Not Attempted Yet
While for years several scientists attempted but could not prove that so-called Planet X was a tenth planet in our solar system, later scientists convincingly disproved the possibility.
(A) attempted but could not
(B) attempted but were unable
(C) attempted to prove but could not
(D) having attempted to prove, could not
(E) attempted to but could not
(A) attempted but could not
(B) attempted but were unable
(C) attempted to prove but could not
(D) having attempted to prove, could not
(E) attempted to but could not
25 Jul 2017, 01:50
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While for years several scientists attempted but could not prove that so-called Planet X was a tenth planet in our solar system, later scientists convincingly disproved the possibility.
(A) attempted but could not =>attempt what? the meaning is not clear enough.
(B) attempted but were unable => were unable should have "to" to make correct idiom.
(C) attempted to prove but could not => "prove" will be repeated twice in this sentence => wordy
(D) having attempted to prove, could not => if we use "having attempted" the whole sentence will become While for years several scientists having attempted to prove, could not prove that so-called Planet X was a tenth planet in our solar system, later scientists convincingly disproved the possibility.
after while + verbing should be a subject.
(E) attempted to but could not => correct
(A) attempted but could not =>attempt what? the meaning is not clear enough.
(B) attempted but were unable => were unable should have "to" to make correct idiom.
(C) attempted to prove but could not => "prove" will be repeated twice in this sentence => wordy
(D) having attempted to prove, could not => if we use "having attempted" the whole sentence will become While for years several scientists having attempted to prove, could not prove that so-called Planet X was a tenth planet in our solar system, later scientists convincingly disproved the possibility.
after while + verbing should be a subject.
(E) attempted to but could not => correct
25 Jul 2017, 11:31
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Imo E
The correct idiom is attempt to X
For example
1 ISRO recently unveiled its PSLV rocket in an attempt to launch heavier satellites .
2 The democrats attempted to win majority in the congress .
I hope it is clear .
The correct idiom is attempt to X
For example
1 ISRO recently unveiled its PSLV rocket in an attempt to launch heavier satellites .
2 The democrats attempted to win majority in the congress .
I hope it is clear .
