问题
选择题
I'm sorry. I _______ go now. My classmate is waiting for me at the gate of the school. [ ]
A. can
B. may
C. have to
D. think
答案
答案:C
I'm sorry. I _______ go now. My classmate is waiting for me at the gate of the school. [ ]
A. can
B. may
C. have to
D. think
答案:C