"Must I return the book this morning?" "No, you_____. But you _____to return it befor

题目简介

"Must I return the book this morning?" "No, you_____. But you _____to return it befor

题目详情

"Must I return the book this morning?" "
No, you _____. But you _____ to return it before next Monday."
[     ]
A. needn't, must
B. mustn't, can
C. mustn't, may
D. needn't, need
题型:单选题难度:中档来源:天津市期末题

答案

D

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