—Jack is not in the office at the moment—Oh, he ______ those who are going to take the driving test in an hour.
#62546
A
can have instructed
B
must have instructed
C
must be instructing
D
will be instructing
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Tom would rather _________than _________. 
#77217
A
stay at home , go out
B
to stay at home , to go out
C
to stay at home , go out
D
stay at home , to go out
Days later, my brother called to say he was all right, but ________ say where he was. 
#62801
A
mustn’t
B
shouldn’t
C
wouldn’t
D
mightn’t