Jack has something important to do this afternoon . so he can’t attend the meeting____.
此题考查介词的用法。A. in person亲自，B. in silence无声地，C. in public公开地，D. in surprise惊讶地。根据句意，应该是选A。
_______, my brother passed the exam.
They were still _____their friends after their child`s long illness.
The young teacher who has a ____face can make his classes ____and interesting.
在△ABC中，AC＝AB，∠BAC＝α，D为线段AB上的动点，连接DC，将DC绕点D顺时针旋转α得到DE，连接CE，BE．
Behind the dancer there was a woman _______a large diamond ring.
The diamond is _________.
This kind of glasses manufactured by experienced craftsmen ______comfortably.
Betty doesn`t have enough money to buy that coat. It`s very ___. The price is too_____.
It`s bad manners to laugh _____others when they are _____ trouble.
