I．单项选择（共20分，每小题1分）
从各题的四个选项中选出一个最佳答案，将字母标号写在答题纸的相应位置上.
1. How do you study ____ tests? ---- I study ____ making flashcards.
A. for with B. of by C. for by D. with for
2. I used to play the piano. But now I 'm more interested in playing soccer. _______.
A. Good idea B. People sure change C. You are right D. I am wrong
3. Students should ______ to choose their own uniforms.
A. llow B. allowed C. are allowed D. be allowed
4. ---What should I do If I had a million dollars?
--- If I ______ you, I would give it to medical research.
A. am B. was C. were D. will be
