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regular radio broadcast began. A. while B. which C. that D. since is the ability to do the job___ matters, not where you came from or what you are. B. it C. what D. thatExercises: was ____ you picked up the wallet﹖ Just near the school gate. A. it B. it that C. the place D. the place that 2. I must find out why____ so many students made the same mistake. A. is it that B. was it which C. it is what D. it was that 3. How many years is it ___ your sister came to work here﹖ A. after B. since C. before D. until 4. Is it in the factory__ you visited last week__ this kind of car is made﹖ A./ that B. where when C. where that D./ when is a fact that English is being accepted as an international language.? A. There B. This C. That D. It was in 1979__ I graduated from the university. A. That。 that B. It。 that C .That。 when D. It。 when 11. It was for this reason______ her uncle moved out of New York and settled down in a small village.? A. which B. why C. that D. how 12. It is the protection for the trees____ really matters rather than how many trees are planted. A. what B. that C./ D. which Was that the new er who walked by ﹖ _________ . A. It must be that B. It must have been C. He must be D. This must have been 14. Our classroom is very clean. Do you know who__cleaned it﹖ A. was it that B. it was that C. was it who D. he was 15. It was____ I met Mr. Green in Shanghai. A. ten years since B. many years ago that C. five years until D. Two months when