问题
选择题
— Sorry, I have to ________ now.It's time for class.
— OK, I'll call back later.[ ]
A. hang up
B. break up
C. give up
D. hold up
答案
答案：A
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— Sorry, I have to ________ now.It's time for class.
— OK, I'll call back later.[ ]
A. hang up
B. break up
C. give up
D. hold up
答案：A