The post office is about 1 kilometer __________.
#76964
A
far
B
away
C
far away
D
long
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If you         smoke, please go outside.
#62183
A
can
B
should
C
must
D
may
—May I swim here?  — No, you _______.  It is dangerous.
#62690
A
won’t
B
needn’t
C
mustn’t
D
don’t have to
—________ we finish the work before class, Jack?—No, we_________ . We can do it after class.
#74109
A
Must, don’t have to
B
Must, must
C
Can, mustn’t
D
Can, needn’t
-Is that Mary?-No, it _______be her. She has gone to Tokyo. 
#75898
A
can’t
B
may
C
needn’t
D
mustn’t