问题
选择题
—Must I copy the new words now?
—No, you _______, you _______ do it after class. [ ]
A. needn't; mustn't
B. mustn't; may
C. needn't ; may
D. mustn't; must
答案
答案:C
—Must I copy the new words now?
—No, you _______, you _______ do it after class. [ ]
A. needn't; mustn't
B. mustn't; may
C. needn't ; may
D. mustn't; must
答案:C