国家开放大学 / 管理英语1
— Mom, must I finish my homework now?
— No, you _ _ _ _ _ _ . You may have supper first.
A. needn't
B. can't
C. mustn't
— No, you _ _ _ _ _ _ . You may have supper first.
A. needn't
B. can't
C. mustn't
参考答案：
佳题速递：