题目内容
The moment John will never forget is Mr.Smith gave him a lot of valuable advice on how to improve his writing.
A.that; that B.that; when C.when; that D.when; when
B
考查定语从句及表语从句的连接词。第一空the moment在John will never forget中作宾语,故用that;第二空是when引导的表语从句,when作状语。句意:John永远不能忘记的时刻是史密斯先生就如何提高写作给他提出宝贵建议的时候。

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