1. The students will put off the match until next week, _____ they won’t be so busy.
A. since B. as C. when D. while
答案：C
解析： 这是一个定语从句，when定的是逗号前的next week.

2. This test is for students _____ native language is not English.
A. that B. of whom C. whose D. which
答案：C
解析： 表达“什么的…”或“谁的…”时，用whose来引导；这句话的意思是：这次测语不是英语的学生的。

3. She ought to go by plane, _____?
A. wouldn’t she B. shouldn’t she
C. should she D. would she
答案：B
解析： ought to 的否定表示为shouldn’t。

4. So badly _____ in the accident that he had to be sent to hospital for treatment.
A. did he injure B. injured he was
C. he was injured D. was he injured
答案：D
解析： 他在事故中受伤如此严重，所以被送往医院治疗了；注意以so开头的句子要倒装。

5. _____ a pen, two books and a pencil-box on the desk.
A. There have B. There is
C. There are D. There was
答案：C
解析： 宾语为复数。