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A．rains；rained B．raining；raining

C．rain；is raining D．raining；rainy

A. see B. to see C. seeing D. to seeing

A. But B. However C. While D. Yet

A. will rain; rains B. will rain ; will rain

C. rains; rains D. rains; will rain

A. close B. closing C. to close D. closes

A. do you think of me B. do you think of me C. you think of me D. you like of me

—Because he has to look after his mother．

A．why he is leaving

B．why is he leaving

C．whether he is leaving

D．whether is he leaving

A. in B. on C. at

A. want to be B. wants to be C. want is D. is want

A. boring B. difficult C. interesting D. exciting