1. Students are given a lot of exercises to do, _______ to improve their grades.

 A. aimed         B. aiming    C. to be aimed        D. to aim

2. Nobody knows for sure who possessed the ancient flower vase. In other words, nobody knows for sure who is ______ of the flower vase.

A. in possession   B. in the possession   C. of the possession   D. with possession

3. It is ridiculous of you to be afraid of your own ______, which follows everywhere you go when there is light.

 A. shade        B. shadow      C. figure        D. sculpture