问题
选择题
—Must I mop up the floor now?
—No, you _________. [ ]
A. needn't
B. can't
C. shouldn't
D. mustn't
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—Must I mop up the floor now?
—No, you _________. [ ]
A. needn't
B. can't
C. shouldn't
D. mustn't
答案：A