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1. Had the governments and scientists not worked together , AIDS-related deaths _______ since their highest in 2005.
A.
had not fallen
B.
would not fall
C.
did not fall
D.
would not have fallen
【考点】
虚拟语气在条件状语从句中的运用; 虚拟语气; 虚拟语气的倒装;
【答案】
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单选题
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1. If I hadn't been faced with so many barriers, I _____where I am.
A.
won't be
B.
wouldn't have been
C.
wouldn't be
D.
shouldn't have been
单选题
普通
2. Without coconuts, most of the tropical islands in the South Pacific ________ uninhabitable for both animals and people.
A.
must have remained
B.
may have remained
C.
need have remained
D.
would have remained
单选题
普通
3. ____ then what I know now, I would have made different decisions.
A.
Should I know
B.
I knew
C.
I did know
D.
Had I known
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普通