第二部分：英语知识运用（共两节，满分45分）
第一节：语法和词汇知识（共15 小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. Unfortunately, when I dropped in, Doctor Li _____ for Beijing to join in the fight against SARS, so we had not enough time for a talk.
A. just left B. has just left C. is just leaving D. was just leaving
The invention of artificial hearts marked a turning point in the battle heart disease.
| A．among | B．for | C．against | D．between |
—Thank you for your coffee.
—But you________ it.
| A．didn’t drink | B．aren’t drinking |
| C．don’t drink | D．hadn’t drunk |
Lily seems to know a lot about Hong Kong, but she has never been there.
| A．luckily | B．strictly | C．actually | D．naturally |
Tom eagerly finished up was left of the chicken pie.
| A．what | B．that | C．which | D．where |
People who seldom do sports or diet is high in fat will put on weight quickly.
| A．who | B．whose | C．which | D．what |