“If" he added, “________ to carry out the plan, we would surely make a big profit for our company."

       A．to permit        B．to be permitted       C．permitting       D．Permitted

As time went by, the plan we stuck ____ fairly practical.

 A. to proved          B. to proving       C. proved         D. to be proved

We did not expect the plan we had made very carefully for them ______ so coldly.

A.refused                            B.to refuse                    C.to be refused              D.refusing

1. Great changes _______(take) place in our country in the past thirty years.

2. Peter prefers to stay at home watching TV rather than _______(go) there alone.

3. Now that the headmaster _______(approve) the plan, we can carry it out now.

4. In some countries, missing a bus means _______(wait) for another half an hour.

5. _______(chat) on line took him a lot of time, which led to his failure in the exam.

6. The law requires that everyone _______(have) his car checked at least once a year. 

7. _______(achieve) success, you should concentrate on what you are doing.

8. It’s a pity that I missed _______(see) the film which was on at the cinema last week.  

9. When I entered, the teacher, along with her lovely students, _______(dance) to the music.

10. Susan couldn’t tolerate _______(work) for twelve hours a day and decided to change her job.

We did not expect the plan we had made very carefully for them ______ so coldly.

A.refused　　　　　 B.to refuse　　　　 C.to be refused　　 D.refusing