1. Li Ping made faces at the baby. Then it stopped__________.(哭) and smiled.

2. Mr White rang the airport to find out the_________(航班) from New York to Beijing.

3. Madam, before you take the medicine, you must look at the_________.(说明) very carefully.

4. My little sister is fond of _______(收集) stamps.

5. He was very t_______(感激)to us because we gave him a hand when he was in trouble.

6. Mike feels unhappy about the exam results . We should e_________ him to study harder and give him hope and help .

7. The whole world is getting dirtier and dirtier. We need to protect our natural e_______.

8. We had an e________ holiday in the beautiful village. All of us were very happy there .

9. We shouldn’t p__________ the environment any more, otherwise the earth will not be fit for us to live on.

10. A: I'm going to improve myself this year.

   B: Really? I think you' d better learn how to eat h________ , or you’ll be ill . I hope           you grow happily .