问题
选择题
—Could I watch TV, Mum? I want to have a rest.
—No, you _______. You must finish your homework first.[ ]
A. mustn't
B. couldn't
C. may not
D. can't
答案
答案:D
—Could I watch TV, Mum? I want to have a rest.
—No, you _______. You must finish your homework first.[ ]
A. mustn't
B. couldn't
C. may not
D. can't
答案:D