问题
选择题
— We would appreciate it if you could stay for lunch.
— Sorry, I _____. I have another appointment.[ ]
A. won't
B. shan't
C. can't
D. mustn't
答案
答案:C
— We would appreciate it if you could stay for lunch.
— Sorry, I _____. I have another appointment.[ ]
A. won't
B. shan't
C. can't
D. mustn't
答案:C