1 . 根据汉语提示，写出下列单词
1. n. 帽子 ________
2. adj. 英俊的 ________
3. n. 膝；膝盖 ________
4. n. （外）孙子；（外）孙女 ________
5. n. 儿子 ________
6. v. & n. 远足；徒步旅行 ________

2 . In the photo, my 2-year-old brother sits on father’s right k_______.

3 . The baby on my grandfather’s ________ /ni:/ is my cousin.