问题
选择题
—______ I watch TV now. Mum?
—Sure, but you ______ finish your homework first. [ ]
A. Must; needn't
B. Can; may
C. Can; must
D. May; mustn't
答案
答案:C
—______ I watch TV now. Mum?
—Sure, but you ______ finish your homework first. [ ]
A. Must; needn't
B. Can; may
C. Can; must
D. May; mustn't
答案:C