The weather in Inner Mongolia is always dry, but sometimes it _____ rain heavily. 
#62867
A
need
B
can
C
must
D
shall
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 Everyone ______ be polite to the old people.
#76484
A
may
B
should
C
can
D
could
— Is Kate coming to the party this evening?— No, she _________ be the party. She________ to the UK.
#76646
A
mustn't; has gone
B
mustn't; has been
C
can't; has gone
D
can't; has been
 You_______ play with fire, Tom. It's dangerous.
#75026
A
needn't
B
shouldn't
C
mustn't
D
wouldn't