问题
选择题
—Mom, must I clean the room now?
—No, you ________. [ ]
A. must
B. must not
C. can't
D. needn't
答案
答案:D
—Mom, must I clean the room now?
—No, you ________. [ ]
A. must
B. must not
C. can't
D. needn't
答案:D