—______ I watch TV now. Mum? —Sure, but
题型:选择题
问题:
—______ 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
—______ 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