Susan decided not to work on the program at home because she didn’t want her mot
题型：不详难度：来源：
Susan decided not to work on the program at home because she didn’t want her mother to know what she _____.| A．has done | B．had done | C．was doing | D．is doing |
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答案
| C |
解析
| 考查时态：句意：Susan决定不在家里从事这个工作，因为她不想她的妈妈知道她做得事情。说明是过去正在做的事情。选C。 |
举一反三
I have _____ an eye _____ you now, so you do as you _____! | A．left; over; have to | B．to keep; on; were told | | C．kept; down; have been told | D．kept; on; are told |
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I guess Tom won’t keep on asking me the time from now on, as he has had his watch ______.| A．repaired | B．repairing | C．being repaired | D．been repaired |
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--- What is that wonderful smell?
--- Our neighbor ________ for a party.| A．have prepared | B．are preparing | C．prepare | D．will prepare |
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—Call me at 5: 30 tomorrow morning．
—Why that early? I _____ then．| A．will sleep | B．was sleeping | C．will be sleeping | D．have been sleeping |
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----- Have you ever visited the 2010 Shanghai World Expo?
-----Yes．When I was in China , I ______ it twice．| A．have visited | B．visited | C．had visited | D．would visit |
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