问题
选择题
— Another cup of tea?
— No, thanks. I _____ be off. Gina is waiting for me.
[ ]A. can
B. must
C. may
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— Another cup of tea?
— No, thanks. I _____ be off. Gina is waiting for me.
[ ]A. can
B. must
C. may
答案：B