英语专业四级考试语法词汇练习题(5)

　1. Mike, you____play with fire. You____ burn yourself.

　　A. won cant

　　B. mustn may

　　C. dont have to; must

　　D. have got to; shouldnt

　　2. You____see the doctor, Joe. You dont look very well.

　　A. must

　　B. shall

　　C. may

　　D. can

　　3. Must I clean the window now?

　　No, you____

　　A. mustnt

　　B. neednt

　　C. cant

　　D. may not

　　4. Jacks ill, so they____change their plans.

　　A. must

　　B. should

　　C. have got to

　　D. ought to

　　5. Harry has been reading all day he____be tired.

　　A. should

　　B. has got to

　　C. has to

　　D. must

　　答案：

　　1-5 BABCD