18.long,she,read,how,the,has,magazine ,(？) 

(   ) 15. It’s  really a difficult problem. I don't know        next.

   A. how I should do   B. how to do

    C. what I should do it   D. what to do

(   ) 14. My close friend Jack moved to Hong Kong last year. And I        him since then.

   A. don't see   B. didn’t see

    C. haven’t  seen   D. won’t! see

(   ) 13. My uncle has taught in this school        he was twenty years old.

   A. for   B. since     C. when     D.at

2.如果想问在过去已开始的动作或状态持续多长时间了，我们要用到How long。如：

他在北京住多久了? How long has he lived in Beijing?

尝试翻译：

⑴怀特先生教了多长时间的英语了？      

⑵你游泳游了多久了？      

18.Children learn to read and write when they are young,(learn to do sth.)

我七岁时学会了骑车。

17.The machine no longer works,(no longer )

你已不再是个小孩了。

20.Peter has a nice sports car. He bought it in 2012.(合并为一句) 

19.The film has been on for five minutes.(对画线部分提问)

                   the film been         ?

(   ) 14.        the four boys,Jim is the only one from a small village.

   A. Among   B. Between    C. In   D. All