【題目】I don’t know if ______ to the party．I will let you know if ______.

A．he will come; he comes B．he will come; he will come

C．he comes; he comes D．he comes; he will come

【答案】A

【解析】

試題分析：句意：我不知道是否他能否來參加，如果他來了，我會讓你知道。第一個if引導的是賓語從句，因為他將要來，所以可以用將來時；第二句的if引導的是條件狀語從句，不能用將來時，而用一般現(xiàn)在時來代替，所以選A。

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