But for their help, we ______ the program in time.A．can not finishB．will not fin
题型：不详难度：来源：
But for their help, we ______ the program in time.| A．can not finish | B．will not finish | | C．had not finished | D．could not have finished |
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答案
| D |
解析
| 考查虚拟语气。根据But for their help要不是他们的帮助；可知这是一个与过去事实相反的含蓄的虚拟语气句，后面主句应该使用情态动词+have done;句意：要不是他们的帮助，我们不能够及时完成这项计划。 |
举一反三
Our monitor requested that ________.| A．all the class studied more carefully the problem | | B．the problem was more carefully studied | | C．with great care the problem could be studied | | D．all the class study the problem more carefully |
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—Where is my dictionary? I remember I put it here yesterday.
—You ______ it in the wrong place.| A．must put | B．should have put | C．might put | D．must have put |
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–My sister hasn’t received any reply from the company yet, so she wants to give up.
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If the firefighters ________ in time, the fire would have resulted in many deaths in the hotel.| A．wouldn’t have arrived | B．hadn’t arrived | | C．didn’t arrive | D．shouldn’t arrive |
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We __________ booked. Look, this restaurant is almost empty.| A．mustn’t have | B．can’t have | | C．should have | D．needn’t have |
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