---I have got a headache．----No wonder ．You _______in front of that computer too
题型：不详难度：来源：
---I have got a headache．
----No wonder ．You _______in front of that computer too long ．| A．work | B．are working | C．have been working | D．worked |
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答案
| C |
解析
| 考察时态。句意：我头疼。——不足为奇。你在电脑前工作的太久了。可知叙述的是已经完成的一直在进行的动作，故用完成进行时，选C。 |
举一反三
I know a little bit about the city as I __________ there for one year in my youth.| A．am studying | B．had studied | C．studied | D．have studied |
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Catherine came home happily, which suggested that she the final exam.| A．had passed | B．pass | C．would pass | D．should pass |
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– May I go to the movies tonight, mum?
-- You can when you ____ your homework.| A．will finish | B．are finishing | C．will have finished | D．have finished |
|
Ever since the financial crisis ________, many workers _______from their jobs.| A．broke out; were laid off | | B．has broken out; were laid off | | C．had broken out; had been laid off | | D．broke out; have been laid off |
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---The window must have taken you quite a lot of time that day.
--- You are right. They ________ for weeks.| A．haven’t been cleaned | B．hadn’t been cleaned | | C．didn’t’ clean | D．haven’t cleaned |
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