摘要： A. mustn’t B. couldn’t C. needn’t D. may not
网址：http://m.1010jiajiao.com/timu3_id_2419393[举报]
1I looked everywhere for the book, but I ______find it
A. mustn't B. needn't C. may not D. couldn't
查看习题详情和答案>>
— May I take this magazine out of the library?
— No, you ______.
A. may not B. couldn’t C. needn’t D. mustn’t
查看习题详情和答案>>
--- Ｍay I go swimming now?
--- No, you ______. You must finish your homework first.
A. mustn’t B. may not C. couldn’t D. needn’t
查看习题详情和答案>>