题目内容

-Must I finish cleaning the house before supper?

-No.You ________ if you have something else to do.

[  ]

A.mustn't

B.couldn't

C.can't

D.don't have to

练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网