Ihadto
问题详情:
I had to ______ because someone else wanted to use the phone.
A. hang on B. keep up C. hang up D. ring up
【回答】
C
知识点:动词
题型:选择题
问题详情:
I had to ______ because someone else wanted to use the phone.
A. hang on B. keep up C. hang up D. ring up
【回答】
C
知识点:动词
题型:选择题