1.I hope you _______(telephone) me before you_______(return) to your hometown.

2.He ________(be) busy________(write) a report on animals in danger between 7 and 9 o’clock yesterday evening.

3.The zookeeper told us __________(not make) any noise in the zoo.

4.Are you interested in________ (play) volleyball with us after school?

5.Sadly, people are keeping changing the wetlands_________(build) more farms and buildings.

6.My younger sister is beginning_________(learn) French.

7.The teacher told us that the earth________(move) around the sun.

8.Jim with his friends often________(listen) to the radio programme on English on Saturday evenings.

9. He __________ (come) to China in 1998.

10. Inner Mongolia is in the __________(north) part of China.

11. He wants to save many __________(endanger) wild animals.

12. It’s __________(correct) to hunt or fish in Zhalong nature reserves.