问题
选择题
—Would you like to go shopping with me this afternoon?
—I'd like to, but I'm afraid I ______. I have to write to my parents. [ ]
A. can't
B. mustn't
C. needn't
D. may not
答案
答案:A
—Would you like to go shopping with me this afternoon?
—I'd like to, but I'm afraid I ______. I have to write to my parents. [ ]
A. can't
B. mustn't
C. needn't
D. may not
答案:A