一、单项填空 （共15小题；每小题1分，满分15分）
从A、B、C和D四个选项中，选出可以填入空白处的最佳选项。
1. Lin Shuhao, now _______ NBA star, used to be a student of the Harvard University.
A. a B. the C. an D. /
2. I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.
A. it B. one C. this D. that
3. — What _______ do you have for Daniel?
— I think he should study harder than before.
A. news B. advice C. help D. idea
