7. --How long _____ at this job?　　　　　 -- Since 1990.

　A. were you employed　　　　　 　　　　　B. have you been employed

　C. had you been employed 　　　　　　　　D. will you be employed

6. Great changes　 ________ in the city , and a lot of factories ________.

A. have been taken place; have been set up　 B. have taken place; have been set up

C. have taken place; have set up　　　　　 D. were taken place; were set up

5. All the preparations for the project _______, and we’re ready to start.　

A. completed　　 　B. had been completed　 C. complete　　　 D. have been completed

4. There is a police car in front of our neighbor’s house. What do you suppose _______?　

　 A. did happen　 　B. has happened　 C. is happen　 　D. has been happened

3. --What’s happening in the new area?

　 --New houses_______ recently over there.

A. are built　　　　　 B. built　　　　 C. have built　　 D. have been built

2.－How many times______ not to play with fire?

－I’m sorry. I’ll never do that again.

　 A. do you tell 　　　　 B. had you told　　　　 C. are you told 　　　 D. have you been told　

1. Do you know the thief ______ by the police?

A. has caught　 　　　　 B. has been catching　　 C. will catch 　　　　 D. has been caught　

10. The typhoon has damaged the bridges because of its strong wind.

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9. Someone has put the book under the bench for more than two days.

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8. They have developed some programs for the human resource department of their company

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