一．单选 1. do you know the thief ______ by the police? a. has caught b. has been catching c. will catch d. has been caught 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 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 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 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 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 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 8. when and where to go for the on-salary holiday ___________yet. a. are not decided b. have not been decided c. is not being decided d. has not been decided 9. this is a photo of the power station that __________ in my h
