John, you play with the knife, or you hurt yourself.
A. won’t; can’t B. mustn’t; may
C. shouldn’t; must D. can’t; shouldn’t
---What ________ he say to you just now?
---He told me that he ________ his key in the room.
A. did; leave B. does; left C. did; had left D. do; had left
---Did you return Helen’s call?
---I didn’t need to _________I’ll see her tomorrow．
A．though B．unless C．when D．because
Now the air in our city is _______ than it used to be. Something must be done to stop it.
A. very good B. much better C. rather bad D. even worse
Most of the choices appear to be ones that you are familier with, but after taking second look, you will find that they are different.
A. /; the B. the; the C. the; a D. /; a
请你以编辑的身份给21世纪报中学生版（21st Century School Edition）一位时常感到孤独的中学生读者写封回信。内容要点如下：
1．首先要学会与人交流，多交朋友；
2．可以求助于同学和朋友，因为年龄相仿，容易相互理解；
3．可以求助于……。
注意：
1．回信须包括所有内容要点，要求语句通顺、意思连贯；
2．第3要点的内容须用2、3句话展开合理想象；
3．词数80个左右，回信的开头和结尾已经给出，不计入总词数。
Dear Lucy,
What you said is common with some middle school students. Here is my advice.
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
Hope you can get out of your trouble soon.
Yours,
Peter
