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We don't know if it _______ this weekend. If it _________, we will go on a trip.

A.rains; won’t rain

B.will rain; isn’t rain

C.rains; rains

D.will rain; doesn’t rain

 

【答案】

D

【解析】第一空主要考查的if引导的宾语从句,从句的时态要根据自己本身的时态来决定,而第二空,主要考查的if 引导的条件状语从句,在if

 

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