35. raise vt. 抬高；举起；使上升

　 rise vi. 上升 The sun rises in the east.

34. must have done 表示对过去行为的肯定推测

33. wander v. 闲逛 　　wander the streets 在街上闲逛

32. Mind if I sit down. = Do you mind if I sit down? = Do you mind my sitting down?

31. go on : take place; happen 发生

　　　　 continue 继续 go on to do sth./ go on doing sth./ go on with…

30．for a while 一会儿； once in a while 偶尔；间或

29.　 make room for 为……腾出空间；让位于

28.　 as if/ though 引导状语从句； 在连系动词后引导表语从句

表示情况可能是事实，用直陈语气；

表示情况与事实相反，即不是事实，要用虚拟语气

She looks as if she is going to cry.

My aunt treats me as if I were a stranger.

He raised his hand as if to take off his hat.

27.　 put on a play 上演(戏剧等)

put on 穿上

26.　 move on 继续