单项选择题

"Our Math teacher must be in his office now." "No, he ______ be there. I saw him in the library a minute ago."

A．can't
B．couldn't
C．mustn't
D．wouldn't
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单项选择题
A．positionB．cameraC．viewD．sight
A．position
B．camera
C．view
D．sight
单项选择题
If you want the rainbow, you've got to______the rain.
A．get up with
B．put up with
C．come up with
D．catch up with
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