31.When he came into the room , he found himself __________(围绕)by a group of newspaper reporters.

30. 1 ' m __________ (特别)disappointed with such a silly thing you have done .　　　

29.As the wages were low , there was no __________(优势) for the position.　　　　

28.You ' ve broken your ________ (诺言), Dad . You said you ' d take me swimming this week and you haven ' t .　　　　　　　　　　　　　　　　　　　　　　　　　　　　

27.The children were __________(着装) in red and sang songs at the gathering .　　　

26.The professor has a large ________ (收集)of books.　　　　　　　　　　　　　　

25.Anyone who breaks the law will be ____________(惩罚).　　　　　　　　　　　

24.You should go to the hospital and have your eyes _______(检查) every now and then .

23.If the rain ____________ (持续), we ' 11 have to call off the football match .　　　　

22.They have no ______________ (方法)of transport except for two bicycles .