问题
选择题
—_____ I open the window, Mum?
—No, you _____. It's cold outside.[ ]
A. Can, may not
B. Can, mustn't
C. May, may not
D. May, mustn't
答案
答案:D
—_____ I open the window, Mum?
—No, you _____. It's cold outside.[ ]
A. Can, may not
B. Can, mustn't
C. May, may not
D. May, mustn't
答案:D