单项选择题

Smoking is forbidden in the workshop, please stop it. Sorry, I（）

A.am not sure
B.have no idea
C.do know
D.did not know

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单项选择题Smoking is bad for your health. So, please（）

A.give it up
B.give it in
C.give it out
D.give it away

Singing these songs, I could not help（）the good old day...

单项选择题Singing these songs, I could not help（）the good old days.

A.thinking over
B.thinking out
C.thinking of
D.thinking up

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单项选择题She was awarded the highest（）for his contribution to world peace

A.price
B.press
C.prize
D.pride

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