(2009福州市高中毕业班第一次单科质量检查) We were very busy yesterday. Otherwise we _____part in the discussion.   
#90264
A
would take
B
did take
C
had taken
D
would have taken
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He ____ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
#89345
A
shouldn’t be
B
can’t have finished
C
can’t be
D
mustn’t have finished
—Need I accomplish all we have set out to do?—Yes, you ____; otherwise you ____fired.
#86820
A
need; would have been
B
may; need have been
C
can; mustn't have been
D
must; would be