You have finished most of the work, so you ______ start working so early tomorrow. You ______ come at 9:00.
#74558
A
can’t ; may
B
mustn’t ; can
C
needn’t ; may
D
couldn’t ; can
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What he said at the meeting made Mary rather embarrassed, so he felt that he ______ differently.
#63617
A
might express
B
should express
C
could have expressed
D
must have expressed
The plant is dead. I ____ it  more water. 
#63233
A
will give
B
would have given
C
must give
D
should have given