题干
— Can you help me?
— I'm sorry, I can't. I do my homework at home.
A：have to
B：has to
C：has
D：have
答案(点此获取答案解析）
A
— Can you help me?
— I'm sorry, I can't. I do my homework at home.
A：have to
B：has to
C：has
D：have
