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. injured¹ 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。