问题
选择题
—Must I take part in the activity?
—No, you _______. You're too young. You should look after yourself.[ ]
A. mustn't
B. don't
C. can't
D. don't have to
答案
答案:D
—Must I take part in the activity?
—No, you _______. You're too young. You should look after yourself.[ ]
A. mustn't
B. don't
C. can't
D. don't have to
答案:D