英语单选一道AsIwassittingdowntosupper,
AsIwasstingdowntosupper,thetelephone__________ ankyou.
只有一个选项是对的, C. 这是一个稍难的中学英语语法考点. As I was sitting down to supper ,the telephone would ring. 表达的是"过去经常性的动作或事件", 即"我一坐下吃晚饭, 电话铃准响."