—He failed in the exam again. —He __________his teacher’s advice.   
#87736
A
should not have followed
B
should not follow
C
mustn’t follow
D
should have followed
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I _____ my son ____ a doctor,but he wasn’t good enough at science.
#90387
A
hoped; would become
B
had hoped ; would become
C
had hoped ;will become
D
hope; will become
I was caught in a traffic jam for over an hour, otherwise I ________ you waiting for such a long time.
#86683
A
will not keep
B
have not kept
C
had not kept
D
would not have kept
 I’m sorry. __________ for my illness, I would have come to give you a hand.
#86803
A
Were it not
B
If it hasn’t been for
C
Had it not been
D
Shouldn’t it be