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?