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People
put on the safety belts before the plane takes off. ( )
A.must
B.can
C.may
D.need
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0.99难度 选择题 更新时间:2019-03-02 05:03:52
答案(点此获取答案解析)
同类题1
Don’t talk in class. You ____listen to the teacher carefully. ( )
A.can
B.may
C.needn’t
D.must
同类题2
______ I speak to Mr Zhang, please? ( )
A.Do
B.May
C.may
同类题3
We________ read in bed. ( )
A.should
B.shouldn't
同类题4
They should
these rules at the airport. ( )
A.to obey
B.obey
C.obeyed
D.obeys
同类题5
____ I have a pie? ( )
A.Would
B.Can
C.We
D.Well
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