You _____ practise the drums while the baby is sleeping. 
#89558
A
needn’t
B
mightn’t
C
mustn’t
D
won’t
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I        you a beautiful present for your birthday,but I was short of money at that time.
#89620
A
would buy
B
had bought
C
would like to have bought
D
must have bought
Tom _____ full marks, but he was too careless and made a spelling mistake.
#86664
A
could gain
B
could have gained
C
must have gained
D
must gain
---- Please tell Tom about the meeting tomorrow. ---- We ______him yesterday.It is a little late ,in my opinion.
#87317
A
ought to tell
B
would have told
C
should have told
D
must have told
The board considered it urgent that those files _____ right away.
#86957
A
be printed
B
will be printed
C
must be printed
D
had to be printed