10. _____ the programme, they have to stay there for another two weeks.

A. not completing　 B . no completed　 C not having completed　 D having not completed　

9. when first ____ to the market, these products enjoyed great success.

A. introducing　 B. introduced　 C. introduce　 D. being introduced

8. You should understand the traffic rule by now, you’ve had it ____ often enough.

A. explaining　　 B. to explain　　 C. explain　 D. explained

7. It’s necessary to be prepared for a job interview. ____ the answers ready will be of great help.

A. to have had　 B. having had　 C. have　 D having

6.　 --- Can the project be finished as planned?

--- Sure, ____ it completed in time, we’ll work two more hours a day.

A. having got　 B to get　 C getting　 D get

5. ____ 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

4.　　　 “ you can’t catch me!” janet shouted, ____ away.

A. run　 B running　 C to run　 D ran

3.　　　 ____ from other continents for millions of years, Australia has many plants ans animals not found in any other country in the world.

A. being separated　 B. having separated　 C. having been separated　 D. to be separated

2.　　　 the storm left, ____ a lot of damage to his area.

A. caused　　　　 B. to have caused　　 C . to cause　 D having caused

1.　　　 Oil price have risen by 32 percent since the start of the year, _____ a record US 57.65 a barrel on April 4.

A. have reached　 B reaching　 C to reach　 D to be reaching