While Helen ________ the piano，her mother came in．A．was playingB．is playingC．pla
题型：不详难度：来源：
While Helen ________ the piano，her mother came in．| A．was playing | B．is playing | C．played | D．plays |
|
答案
| A |
解析
试题分析：句意：当海伦正在弹钢琴时，她的母亲进来了。While引导时间状语从句，强调主从动作的同时发生，从句中常用进行时态，联系下文可知从句描述的是过去正在进行的动作，故用过去进行时态，选A。
点评：英语宾语从句的时态和主句没有必然的联系，需结合语境进行具体分析。而英语状语从句的时态与主句有比较紧密的联系。 |
举一反三
---How will you go to the zoo tomorrow?
---If it ______ tomorrow, I’ll go there by car．| A．raining | B．rain | C．rains | D．will rain |
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—Would you like to go and see Skyfall with me tonight?
—Thank you very much , but I______ it already.| A．see | B．will see | C．have seen | D． am seeing |
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My brother usually _____ his classroom after school. But now he _____ basketball.| A．cleans; plays | B．is cleaning; plays | | C．cleans; is playing | D．is cleaning; is playing |
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Kate ________ take NO.1 bus to the library.| A．needs | B．should need | C．need to | D．needs to |
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I _____ the newspaper while my mother _____ TV plays yesterday evening.| A．was reading; was watching | B．was reading; watched | | C．read; was watching | D．read; would watch |
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