We______________last night，but we went to the concert instead.
#88244
A
have studied
B
might study
C
should have studied
D
would study
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I would have come to see you earlier, but I __________ too busy.
#90384
A
had been
B
were
C
was
D
would be
He has no idea what the book is about．He have read it very carefully．
#87733
A
needn’t
B
shouldn’t
C
can’t
D
mustn’t
If you have something important to do, you ___ waste any time.
#89049
A
needn’t
B
mustn’t
C
may not
D
won’t
“Is John coming by train?” “He should, but he _________ not. He likes driving his car.”
#89629
A
must
B
can
C
need
D
may