I"ll go to the library as soon as I finish what I ________.A．was doingB．am doing
题型：不详难度：来源：
I"ll go to the library as soon as I finish what I ________.| A．was doing | B．am doing | | C．have done | D．had been doing |
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答案
| B |
解析
| 考查时态。此处是由as soon as引导的时间状语从句，主句用了一般将来时，从句表示将来的概念，用了一般现在时finish代替一般将来时，finish后接的宾语从句的时态应和finish保持一致，又因为此处表示的动作尚未完成，结合选项可知应用现在进行时。句意：我一做完正在做的事情就去图书馆。 |
举一反三
—Joan，what ________ in your hand?
—Look！It"s a birthday gift for my grandma.| A．had you held | B．are you holding | | C．do you hold | D．will you hold |
|
—What"s that noise?
—Oh，I forgot to tell you.The new machine ________.| A．was tested | B．will be tested | | C．is being tested | D．has been tested |
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The aging population _____ each day .There must be some kind of interesting activity for the old.| A．has grown | B．grew | C．will grow | D．is growing |
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Britain is being ________ in the race for new markets.| A．left alone | B．left out | | C．left behind | D．left over |
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Today many physical bookstores ________ down with financial difficulties, inflexible management strategies and competitive pressure from online bookstores.| A．had closed | B．having closed | | C．being closed | D．are closing |
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