1. 选词填空

play a trick on; dress up; take place; look forward to; set off, keep one's word; tum up: day and night, hold ones breath

1. （1） Great changes in the rural areas in the last two decades.
3. （2） They and went to the dancing hall together.
5. （3） Our monitor successfully all of us on April Fool's Day.
7. （4） The holiday that everyone has come.
9. （5） Mr. Greens will for Beijing tomorrow.
11. （6） She promised to come to my birthday party，but she hasn't yet.
13. （7） We are working to complete the task ahead of time.
15. （8） He while the results were announced.
17. （9） He had said that he would take me along to Beijing, but he didn't .