12.He ________ the car for a week.　

A. bought　　 B. has bought　 C. has had　

11. He ______ at eight yesterday afternoon.

A. slept　　 B. was sleeping　 C. has sleep　 D. had slept

10. How long _______ he ________ ?　

A. died　　 B. has, died　 C. has, been dead

9. I ______ home for a week.　　

A. have returned　 B. have been back　 C. returned

8.Ben ______ a teacher for 4 years .　

A. has been　 B. has become　 C. was　　 D. became

7.Miss Gao ______ this school for nearly 5 years.　

A. has been in　 B. has come to　 C. has taught

6.The meeting　 _______ for a week now.　

A. has finished　 B. has ended　 C. has been over

5.You mustn't ________ until he comes back.　　

A. be away　 B. leave　 C. be left

4.　　　　 Mary and Rose _______friends since they met in 2000.　

A. have made　 B. have been　 C. made　　 D. have become

3.　　　　 The factory ________ since the February of 1988.　

A . has been open　 B. has opened　 C. was open　 D. opened