词形转换

1. Tianjin is one of the __________(north) cities in China.

2. More and more animals will _________(appear) because they don't have enough space .

3. In that traffic accident, twenty people were killed, __________(include) three foreign visitors.

4. His father looked __________(angry) at him because he lied to him again.

5. It is __________(terrible) cold today, so you' d better put on more clothes.

6. If we don't protect the wetlands, it will be __________(possible) to see these endangered birds,

    such as pandas and swans.

7. Plants grow __________(healthy) if they get enough water and sunshine.

8. Please cut out the __________(necessary) words.

9. My __________( hobby) are traveling and collecting.

10. Shall we meet at the __________(enter) to the cinema?