I wasin the middle of my call because I had no more pennies to put in the box.A. broken in

问题补充：

I wasin the middle of my call because I had no more pennies to put in the box.

A. broken in

B. cut off

C. hung up

D. put down

答案：

A. broken in

(答案→)B. cut off

C. hung up

D. put down

解析：据句意：我因没有更多的便士投入电话箱内，所以我的电话还没打完便被中断了。break in闯入，插入；cut off切断；hang up挂断;put down放下。注意后三者均与打电话有关，应注意区别记忆。