25、 I will never forget the days _________ I spent on the farm.

24、Dr. Kelly walked ______ to the window to watch ____ the short man shopping on the street.

23、Tom is a boy ________ I find hard to ________.

22、In the past five years China ________ great _________.

21、This is the very film ___________ I have long wished to see.

20、 Last week Lily's father bought her_________MP4 as_________birthday present.

76. You can hear the programme _______ every Wednesday. Don’t miss it!

18、我知道没有我广播俱乐部还会继续办下去的。（continue）

16、一完成学业， 他就开始在中国旅行。（upon doing）