1. It was not until he came back _________ he knew the police were looking for him.
A. which B. since C. that D. before
2. It was what he meant rather than what he said _________ annoyed me.
A. which B. as C. what D. that
3. It was his nervousness in the interview _________ probably lost him the job.
A. which B. since C. that D. what
4. It is the ability to do the job _________ matters not where you come from or what you are.
A. one B. that C. what D. it
5. It was in the small house _________ was built with stones by his father _________ he spent his childhood.
A. which, that B. that, which C. which, which D. that, where
6. It was lack of money, not of effort, _________ defeated their plan.
A. which B. as C. that D. what
7. It might be I, who have caused the accident, _________ to answer for it.
A. which is B. what are C. that are D. that am
8. “How was _________ they discovered the entrance to the underground palace?” “Totally by chance.”
A. it that B. he that C. it when D. he which
9.—Who are making so much noise in the garden?
—_________ the children.
A. It is B. They are C. That is D. There are
10. It’s so long since it rained _________ the river-bed is dry.
A. when B. before C. that D. because
11. It was when she was about to go to bed _________ the telephone rang.
A. since B. as C. that D. then
12. It may have been at Christmas _________ John gave Mary a handbag.
A. before B. who C. that D. when
13. Who was it _________ saved the drowning girl?
A. since B. as C. that D. he
答案：1—5 CDCBA 6—10 CDAAC 11—13 CCC