22. according to 根据

21. continue doing == go on doing 继续做某事　如：

   She continued singing. == She went on singing. 她继续唱歌。

20. as soon as possible 尽可能的快

19. 用to 表示　“的”有：

answers to question 问题的答案　 the key to the door 这扇门的钥匙

18. in the future 将来　

She will a good mother in the future. 在将来她将会是一个好妈妈。

17.　 let sb. do 让某人做某事　

Let me help you.让我帮你吧。

　　　let sb. not do 让某人不要做某

Let us not laugh. 让我们不要笑了。

16. inexpensive  adj. 不贵的  反义词　expensive adj. 贵的

15. be away 离开　 　　

I was away 2days ago. 我两天前离开了。

    I will be away for a few days.　我将离开一些天。

14.  how far 问路程　多远

     how old 问年龄　多少岁

     how long 问时间　多久　多长

     how often 问频率　多久一次

     How far is it from your home to our school?

     How old is your father?

     How long have you been in China？

     How often do you exercise？

13. provide sb. with sth 供应某人某物

=== provide sth for sb.

   如：They provide us with water.

       They provide water for us.