— What great trouble I have solving this problem now!    —_____ my advice, you ________less trouble.
#90238
A
If you had taken, would have had
B
If you took, would have
C
If you had taken, would have
D
If you take, will have
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What a pity. If I had caught that flight,  I ____ over the Pacific Ocean now.
#87518
A
would fly
B
would have flown
C
would be flying
D
were flying
—How did your mathematics exam go?—I thought I           ,but in fact I fell behind in the class.
#87779
A
should have been the top 10
B
could have been the top 10
C
may have been the top 10
D
need have been the top 10