I was in 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
网友回答
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。