题目

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 答案：B 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。

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