题目内容
–Another cup of coffee?
–No, thanks．I _____ be off．Mary is waiting for me．
A． can B． may C． must D． might
试题答案
1、C
相关题目
题目内容
–Another cup of coffee?
–No, thanks．I _____ be off．Mary is waiting for me．
A． can B． may C． must D． might
试题答案
1、C