10. If you aren’t s________ with our product, you can get your money back.

9. My father made a p________ that he would buy a 3G mobile for me.

8.During the past sixty years. China has made great p________ in many ways.

7. Bai Tian’e Park is a wonderful place for children. It is well w _______ visiting.

6. Our leader is a stubborn person. He is always ________(严格) with us.

5. Parents should ________ (匀出) some time to stay with their children.

4. Columbus ________(发现) America in 1492.

3. The Chinese people have held national sixtieth birthday celebration ____ (成功).

2. Li Hong has made a few ______ (错误) in the exam, because she is very careless.

1. Thanks for your ________ suggestions.(宝贵的)