| 成人英语三级考试易错题（2018/2/1） |
| 第1题：There is no light in the dormitory. They must have gone to the lecture, ______ A．didn't they B．don't they C．mustn't they D．haven't they |
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| 第2题：Every policeman and fireman ______ on the alert. A. have been B. was C. are D. were |
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| 第3题：In learning English we should not______students of their mistakes all the time. A．remind B．remember C．remain D．remark |
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| 第4题：Every large city has its shifting population of vagrants. But in most ______, these are poor men. A．conditions B．cases C．situations D．circumstances |
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| 第5题：Some words are hard to ______ because they have many different uses. A．express B．explain C．define D．describe |
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