38页19.must I return the book this afternoon ?No ,you ---.but do y_英语解答

38页19.must I return the book this afternoon ?
No ,you ---.but do you ---return it before supper ?
A.needn't ,must B.mustnt ,can C.mustn't may 理由

人气：133 ℃　时间：2019-10-25 11:48:57

解答

A你把这话背熟,下次考试就没问题了.
记住了,加了do就是强调预期,后面跟上must或have to.