She work in a big company. Now she starts her own business.
A. used to
B. is used to
C. uses
D. used
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He come to your the party. I am not sure.
A. can
B. must
C. should
D. may
His arm is all right. He go and see the doctor.
A. has not to
B. don't have to
C. haven't to
D. doesn't have to
— Must I get up before six o'clock tomorrow morning, dad?— No, you. Tomorrow is Saturday. You may get up later.
A. mustn't
B. can't
C. needn't
D. may not
我对本单元内容全面学习并完成所有练习用时：
A. 未完成
B. 2 学时
C. 3学时
D. 4学时
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