22.　 lots of = a lot of= many / many

21.　 speak English in class

20.　 speak to sb.

19.　 enjoy oneself

18.　 guess the meaning of the new words

17.　 talk about sth. with sb. 和某人谈某事

16.　 a great way to do sth.

做某事的一个好方法

15.　 It takes sb. some time to do sth.

干某事花费某人多少时间

14.　 enjoy doing sth.

13.　 ask for