【題目】No one knows if _____________ that boy, but if __________ him, her parents will be disappointed.

A. she will marry, she will marry B. she marries; she marries

C. she will marry, she marries D. she marries; she will marry

【答案】C

【解析】考查if的用法。If“是否”，引導(dǎo)賓語從句，時態(tài)不受限制；if“如果”，引導(dǎo)條件狀語從句，用一般現(xiàn)在時代替將來時。故選C。

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