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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
I can _______.( )
A.sing
B.song
同类题2
Can I _______ those sweet poatoes, mom?
A.have
B.has
C.having
同类题3
______ I help you? ( )
A.Do
B.How
C.Can
同类题4
—______ he draw any beautiful pictures? ( )
—No, he can’t.
A.Does
B.Can
C.Is
同类题5
______ I join you? ( )
A.Can
B.Do
C.Are
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