— I didnt’ t expect to see you studying at the library so early in the morning.— , huh?
My brother is one of _________ in Class Three.
Our class is going to take a _________trip to Suzhou and we excited about it.
I was ten _________ late for school this morning because of the traffic jam.
David talked with a friend of ________ on the Internet for a long time yesterday.
His brother was born ______ June 16th, 1983.