Helen _________ go on the trip with us, but she isn’t quite sure yet.
| A．shall | B．must | C．may | D．can |
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 leftC. is just leaving D. was just leaving
I really regret _______ to the party with you last night.
| A．not to go | B．not going | C．not go | D．not went |
Asimov began having his stories ______ in science magazines in 1939.
| A．publish | B．published | C．publishing | D．to publish |
It was ______ Asimov was eleven years old ______ his talent for writing became obvious.
| A．that; when | B．when; that | C．that; that | D．when; when |
—Sorry, I made a mistake again.
—______. Practice more and you’ll succeed.
| A．Never mind | B．Certainly | C．Not at all | D．Don’t mention it |