16. the Great Wall万里长城
15. all morning 整个早上(上午)
14. decide to do sth决定做某事
13. walk to 走路去……
12. make sb do sth使(让)某人做某事
11. help sb (to) do sth 帮助某人做某事
10. be lost迷路,走失,丢失
9. find sb doing sth发现某人正在做某事
8. enjoy doing sth 喜欢做某事
7. have fun doing sth 很高兴做某事