题目内容
5.-When is he willing to lend his friends some money?-Only when ______ hard enough.( )
A. | to press | B. | pressed | C. | pressing | D. | is pressed |
分析 --他什么时候愿意借给朋友一些钱呢?
--只有在他受的压力足够大的时候.
解答 答案:B.
本题的回答为省略句,其完整的句子应为"He is willing to lend his friends some money when he is pressed hard enough."因主句和从句主语一致,且从句谓语动词是be动词,所以从句中的主语和be动词可同时省略,动词press与它的逻辑主语he之间又是被动关系,所以用过去分词pressed,故选B.
点评 本题考察的是状语从句的省略,当状语从句的主语和主句主语一致,且含有be动词的时候,可以把状语从句的主语和be动词一起省略.到底用现在分词还是过去分词,看动词与它的逻辑主语之间的关系(主句的主语就是非谓语动词的逻辑主语),即主被动关系(主动关系就用现在分词形式;被动关系就用过去分词).
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