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情态动词与虚拟语气 1．—I didn't apologize to him for being unable to inform him of the change in the plan. —But you________. A．ought to have B．have to C．should D．must have 答案 A句意：——我并没有因为没能告诉他计划中的变化而向他道歉。——但是你应该道歉。根据but可知此处用ought to have＝ought to have done表示(过去)本该做却未做；B.have to不得不；C.should应该，表现在或将来之意；D.must have(done )(过去)一定做了某事。2．Do you know Herbie？I'm always running into him；he________live nearby. A．would B．need C．must D．should 答案 C考查情态动词。句意：你认识Herbie吗？我总是遇见他，他肯定住在附近，表示比较肯定的推测用must。3．________a little earlier this morning！I missed the bus by only a minute and waited half an hour for another. A．If I had got up B．If I got up C．If only I had got up D．If only I got up 答案 C句意：今天早晨我如果早点起床的话就好了！那辆公共汽车我只耽误了一分钟，等另一辆车等了半小时。根据第二句可知第一句是与过去事实相反的虚拟语气，所以空格处的谓语动词应用had done；if only...相当于how I wish...，意为：要是……的话就好了，但愿……。4．—Mum，would you please buy me an MP5 player? | 
