Question

Oh, Mary, I’ll have to ________ now. Someone wants to use the phone. Good-bye.

[　　]

A．ring up

B．ring off

C．call back

D．call off

Answer 1

答案：B
解析：

此句取自一个电话的谈话：因为有别人要打电话，说话者只好挂筒。其中的短语动词ring off作“挂断电话”解call off推迟。