As we all know, smoking ___________ people’s health.
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A
is harmful to
B
do harm fo
C
does harmful to
D
harm
推荐题目
Twofifths of the highway________so far.
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A
has been completed
B
was completed
C
have been completed
D
has completed
A teacher and artist ______coming to speak to us about painting tomorrow afternoon.
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A
is
B
are
C
was
D
were