填入所给的正确形式 1. I have two . (knife ) 2. There are many here . (box) 3. I received a lot of Christmas . ( card) 4. There are many on the road. (bus) 5. Those are enjoying the sunrise. (travel) 6. I have two . (friend) 7. A few are drawing on the wall . ( boy) 8. He has several interesting . (book) 9. The are playing football now. (child) 10. Yangtze River i s one of the longest in China. (river)