中考英语典型易错题例析4

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If anyone wants to say something in class， you ________ put up your hands first.

　　A. mustB. mayC. shouldD. can

　　答案：A （ 选其他三个选项的同学要注意语境，anyone暗示出语气。表明是一个规定，而不是建议。）

　　

—I called you last night but no one answered the phone.

—I ________ dinner with my friends in the restaurant.

　　A. have B. had

　　C. was having D. have had

　　答案：C（选择B和D的同学要注意分析语境。这里指我当时正在和朋友在饭馆吃饭。）