--Well done, Jack !  --Thanks. But given more time, I__________ it better.
#90017
A
shouldn't have done
B
could have done
C
might not do
D
could do
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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
 I have lost one of my gloves. I _____ it somewhere. 
#89289
A
must drop
B
must have dropped
C
must be dropping
D
must have been dropped