题目内容
【题目】他年轻时喜欢游泳胜过爬山。
He________ _______ to________when he was young.
【答案】preferred swimming climbing
【解析】
prefer doing to doing sth“喜欢做某事胜过做另一件事”,根据时间状语从句when he was young可知,主句谓语用一般过去时。故填(1). preferred (2). swimming (3). climbing。

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