23.______ into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns.

A. Put　 B. putting　 C. having put　 D. being put

22. We wanted to get home before dark, but it didn’t quite ____ as planned.

A. make out　 　B. turn out　 C. go on　 D. come up

21. Unluckily, my sister had her cellphone ______ in Guangzhou before she could find a job.

A. to be stolen　 B. stolen　 C. being stolen　 D. steal

20.All strange plants and animals ______ during the trip have been described in their diaries.

A. had been noticed　 B. to be noticed　 C. noticed　 D. noticing

19. A person’s ______ body temperature is about 37 °C.

　A. ordinary　 　　B. normal　 　C. common　 　D. usual　

18. ---What do you think has made Tom feel down?

　 ---- ______ his seat in the election, I think.

A. As he lost　 B. Lost　 C. Losing　 D. Because of losing

17. Although he has taken a lot of medicine, his health ______ poor.

A. proves　 B.remains　 C. maintains　 D. continues

16. The picture was taken a long time ago. I wonder if you can _____ my father.

A. find out　 B. pick out　 C. look out　 D. speak out

15.They would not allow him ______ through the forest.

A. to risk going　 　B. risk going　 C. risking to go　 D. to risk to go　

14.________ the programme, they have to stay there for another two weeks.

A. Not completing　 　　　　　　B. Not completed　

C. Not having completed　 　　　D, Having not completed