It was at the school gate _______ I met an old friend of mine after class.

A. why B. which C. where D. that

D

【解析】

試題分析：考查強調(diào)句型。句意是：下課后，我是在學校大門口遇見了我的一位老朋友。強調(diào)句型的構(gòu)成：It is/was +強調(diào)部分+that+其他，故選D。

考點：考查強調(diào)句型

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