The number of teachers in our school _______ greatly increased last term.A number of teachers in this school ______from the countryside.
#77974
A
was;is
B
was;are
C
were;are
D
were;is
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—____ I swim here?—I’m sorry. Children ____ swim alone here..
#74302
A
Must, can’t
B
May, must
C
Can, mustn’t
D
Can’t, can
 You_______ play with fire, Tom. It's dangerous.
#75026
A
needn't
B
shouldn't
C
mustn't
D
wouldn't
You ___ drink wine before driving, or the police will take your license away.
#75332
A
don’t have to
B
needn’t
C
mustn’t
D
may not