A）在下列句子空白处填上适当的连接词。
1．I don't know ____ Mr．Black put his bag the day before yesterday．
2．Can you tell me ____ will take charge of the construction of the bridge？
3．But ____ she was really interested in was playing computer games．
4．Word came ____ the winner of the games will get 10，000dollars．
5．Would you please tell us ____ Tod was absent？
6．They want to make it clear ____ they are doing something of GREat importance．
7．One sign ____ you are making proGREss inan art such as painting or photography is ____ you begin to realize how muchthere is to learn．
8．Can you tell me ____ of the books is worthreading？
9．This is ____ we will discuss at the conference to be held tomorrow．
10．____ we should improve the living standard of the farmers remains a problem．
key: 1.for 2.against；on 3.out 4.of；from 5.of 6.from 7.of 8.in;for 9.In 10. in/out of
