题目内容
— Could you go to the cinema with us this afternoon?
— Sorry, I __________. I __________ take care of my little sister because my mother is out.
A can't; may B. couldn't; have to
C. can't; have to D. couldn't; may
练习册系列答案
相关题目
题目内容
— Could you go to the cinema with us this afternoon?
— Sorry, I __________. I __________ take care of my little sister because my mother is out.
A can't; may B. couldn't; have to
C. can't; have to D. couldn't; may