题目内容
10.-Where do you think ______ he _____ the TV set?-Sorry,I've no idea.( )| A. | /,bought | B. | has,bought | C. | did,buy | D. | did bought |
分析 ---你认为他在哪里买的电视机?
---对不起,我不知道.
解答 答案:C.do you think作为插入语,where是疑问词,后加一般疑问句语序.结合句意表达的是过去的动作,故用一般过去时,借助于did构成疑问,后加动词原形,故答案是C.
点评 一般过去时表示过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为;过去主语所具备的能力和性格.基本结构:主语+谓语(动词过去式)+句子其他成分;主语+was/were+形容词/名词/介词短语+过去时间;否定形式①was/were+not;②在行为动词前加didn't,同时还原行为动词;一般疑问句Did+主语+do+其他.
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