1. As we all know, high school is of discovery, learning and hard work.
A. a time B. the time C. time D. times
2. Those girls gave a wonderful and impressing concert. Their parents watched and nodded their heads satisfaction.
A. in B. with C. for D. of
3. --- The students are usually not so confident about themselves.
--- Exactly, so teachers should pay more attention to them in class.
A. regular B. extra C. clever D. average
