“Isn’t it about time you _____ to do morning exercises?” “Yes, it is. Would you like to join us?” 
#90574
A
begin
B
have begun
C
began
D
had begun
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(2009福建泉州毕业模拟) --Where have you been? --I        in the heavy traffic. Otherwise I        here earlier.
#90249
A
got stuck; would have come
B
got stuck; was
C
have got stuck; would have come
D
had got stuck; would come
What a pity. Considering his ability and experience, he ____ better.
#89095
A
need have done
B
must have done
C
can have done
D
might have done