题干
— Must I finish reading the book first?
— No, you ________. You may finish it tomorrow.
A：can't
B：mustn't
C：don't have to
D：shouldn't
答案(点此获取答案解析）
C
— Must I finish reading the book first?
— No, you ________. You may finish it tomorrow.
A：can't
B：mustn't
C：don't have to
D：shouldn't
重合，则点