1. They worked in the company in 2000.(用since改寫句子)

 They in the company since 2000.

() 8. John,you the computer games for two hours. It's bad for your eyes.

   A. played   B. have played   C. were playing   D. play

() 7. Mum can't open the door because she the key in her office.

   A. leaves   B. have left   C. has left   D. will leave

() 6. —I hear that you’ve been busy .--Yes,Tm going to take an exam next week.

   A. this time   B. two days ago   C. recently   D. from time to time

() 5. Noise pollution was a serious problem here .

   A. since then   B. in the future   C. once a week   D. in the past

() 4. —Look!I have bought a new computer. —Cool!Where you it?

   A. did; buy   B. were; buying   C. will; buy   D. are; buying

() 3. —Kitty,will you go to see the film Life of Pi this evening? --No,I it twice.

   A. will see   B. saw   C. see   D. have seen

() 2. I quite missed Jim. I haven’t seen him I moved house.

   A. for   B. since   C. because   D. when

1. Have you seen the film ? (just,yet)

2. Has your sister been to the Great Wall? (ever,yet)

8. My uncle (work) here as a teacher since he (leave) school in 1999.