—Mr. Wang , must I come again on Sunday morning to clean the window ?—No, you _______. I have asked
A. don't have to B. mustn't C. can't D. shouldn't
题目简介
—Mr. Wang , must I come again on Sunday morning to clean the window ?—No, you _______. I have asked
题目详情
—No, you _______. I have asked others to do it.
A. don't have to
B. mustn't
C. can't
D. shouldn't
答案