题目内容
Mr Jiang isn’t as busy as before because there no home robot to help him.
A. used to be B. may be C. used to have D. may have
练习册系列答案
相关题目
题目内容
Mr Jiang isn’t as busy as before because there no home robot to help him.
A. used to be B. may be C. used to have D. may have