单项选择题

Why not_________ Professor Li for help He is kind —hearted and willing to help.

A．ask
B．you ask
C．to ask
D．your asking
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单项选择题
If you go to the movie tonight, so______ I.
A．will
B．do
C．am
D．can
单项选择题
It can be inferred from the passage that______.
A．man hasn’t completely made use of the riches of the sea
B．technology for exploring the sea has been solved
C．harvesting rice in the sea will be made possible
D．in the near future man can live on the ocean floor
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