—Did you pass the driving test?—No.I ________ it，but I had little time practisin
题型：不详难度：来源：
—Did you pass the driving test?
—No.I ________ it，but I had little time practising.| A．could have passed | B．must have passed | | C．can"t have passed | D．shouldn"t have passed |
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答案
| A |
解析
| A [由no判断 “没通过考试”，故说本来可以通过的，是对过去情况的一种假设。] |
举一反三
________ the present unemployment continue, the society would face a more
troublesome situation.| A．Would | B．Should | | C．Might | D．Could |
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The scientists recommend that studies ________ to find out what side effects the medicine might cause.| A．be done | B．should do | | C．will be done | D．are done |
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If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _____ to the house next door.| A．could spread | B．should have spread | | C．would spread | D．might have spread |
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Mary is ill today. If she _____, she ____ here at school| A．were not ill；would be | | B．had been ill；wouldn"t have been | | C．were ill；should have been | | D．hadn"t been ill；could be |
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---Must we leave the classroom now?
---No, you _____. You _____ leave after the bell rings.| A．mustn"t; are allowed to | B．don"t have to; might | | C．needn"t; can | D．can"t; are supposed to |
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