1. It's a nice day, isn't it?

　今天是个好天气，不是吗？

　　 Yes, it is.　　 是。

22. at this time 此时

21. at least 至少

20. be careful to do sth. 小心去做某事

19. get along 相处

18. a lot easier 容易的多

17. help sb. with sth.　　 帮助某人做某事

help sb. (to) do sth.

16. be good at … 擅长于…

15. enjoy doing 享受做…的乐趣

14. come along 出现，发生