20. ____________________, the players began the game.

A. Having taken our seats　　　　　 B. Our taking seats

C. We having taken the seats　　　　 D. Us having taken the seats

19. Great changes_______in the last few years in Jining.

A. were taken place　　　　　　　 B. had been happened

C. have been happened　　　　　　 D. have taken place

18. The flowers____sweet in the garden attract the visitors to the beauty of nature.

A. smell　 B. smelling　 C. smelt　　 D. to be smelt　

17. He talked as if he ____to Beijing, but I knew he hadn’t.

A. went　 B. were　　 C. had been　　 D. would have been

16. Her grandfather looks much _____after a good night’s rest.

A. live　 　　B. living 　　C. alive 　　　　D. lively

15. _________ , so we had to stay at school instead of going for an outing.

　 A. The day being cold　　　 B. Being a cold day　

　 C. It was a cold day　　　　 D. Because the cold day