题目内容
() 77. 一Bob,could you please help sweep the floor?
— I’m doing my homework.
A. No problem B. Sorry,I can't C. Don’t say so D. Thank you
77.B
练习册系列答案
相关题目
题目内容
() 77. 一Bob,could you please help sweep the floor?
— I’m doing my homework.
A. No problem B. Sorry,I can't C. Don’t say so D. Thank you