—Jane, have you finished yourpaper? —No, I my sister with her homework
题型：不详难度：来源：
—Jane, have you finished yourpaper?
—No, I my sister with her homework all the morning.| A．help | B．have been helping | C．helped | D．was helping |
|
答案
| B |
解析
| 考查时态。根据句意及时间状语all the morning可知，我一直在帮助，故用现在完成进行时，选B。 |
举一反三
Tom is absent this week.Do you know what to him?| A．has happened | B．was happening | C．will happen | D．had happened |
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---- Do you know our hometown at all?
---- No, this is the first time I ____ here.| A．was | B．have been | C．came | D．am coming |
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---- How long ____ at this job?
---- Since 1990.| A．were you employed | B．have you been employed | | C．had you been employed | D．will you be employed |
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The windows _____, so you need not wash it again.| A．is washed | B．was washed | C．have been washed | D．will be washed |
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----Your job_________ open for your return. ---- Thanks.| A．will be kept | B．will keep | C．had kept | D．had been kept |
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