______ halfway through the exercise, the teacher changed his mind and collected all our papers.

来源：百度知道编辑：UC知道时间：2024/05/23 14:09:16

A. Being only
B. When we were only
C. Having been
D. When only being

为什么

B
非谓语形式如果前后的两件事都是同一个人做的话，可以不用再多加主语，如：After having the dinner,she took a walk outside.这里的吃饭跟散步都是同一个人做的。可是本题中前面一件事是学生在考试，后面一件事是老师决定收考卷，是不同的人做的，所以要加"we".

B. When we were only

halfway down the hall 这句话是什么意思？泥融飞______,沙暖睡______ “五经”指的是______、______、______、______、______、 ______ _______ ______穷千里目,______ ______ ______上一层楼请问Halfway around the world这首歌哪里有下载？ The heavy snowstorm made the mountain climbers _____ halfway The heavy snowstorm made the mountain climbers——halfway 求a-teens的halfway around the world中英对照歌词在现代分类系统中，生物分成______、______、______、______、______、______、______七个级别。 ______羊,______蛇,______牛,