题目内容
15.-When he to our school?-About half an hour ago.( )
| A. | does,come | B. | did,come | C. | did,came | D. | does,came |
分析 ---他什么时候回来我们学校的?
---大约半小时之前.
解答 答案:B.结合下文About half an hour ago表达的是过去的动作,故用一般过去时,这里是特殊疑问句,借助于did构成疑问,后加动词原形come,故答案是B.
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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