题目内容
12.Why was Professor Wang unhappy recently?Because the theory he insisted on ______ wrong.( )
| A. | proving | B. | proved | C. | being proved | D. | was proved |
分析 --王教授最近为什么不开心?
--因为他坚持的理论证明是错误的.
解答 答案是B.本题考查一般过去时;题干答句中he insisted on 为the theory的定语从句;Because从句中的主语是the theory,because从句中需要的是谓语动词"prove"的适当形式,排除A和C;wrong为形容词,故推断prove是连系动词,prove不能用被动语态,故排除C和D;题干中讲述的是过去的事,故用一般过去时,答案是B.
点评 对时态的选择,要在把握时态的基本用法的基础上,根据具体语境和题干中的时间推断时态,同时关注特殊的结构.
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