单项选择题
Be careful，because that knife is very（）.
A.sharp
B.fast
C.quick
D.hard
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The smoke from that factory is（）our air to a dangerous degree.
A.destroying
B.spoiling
C.polluting
D.damaging -
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（）the TV tower at night，the city looks even more magnificent with all its lights on.
A.Seeing from
B.To be seen from
C.To see from
D.Seen from -
单项选择题
Excuse me，but it is time to have your temperature（）.
A.taken
B.taking
C.took
D.take
