13. ______ the police thought he was the most likely one, since they had no exact proof about it,
they could not arrest him. [2009-湖南]
A. Although B. As long as
C. If only D. As soon as
14. The lawyer seldom wears anything other than a suit the season. [2008-全国I]
A. whatever B. wherever
C. whenever D. however
15. My parents were quarrelling about me ____ I could not quite tell why. [2006-上海]
A. since B. though
C. if D. until
16. The little boy won’t go to sleep ______ his mother tells him a story. [2010-全国I]
A. or B. unless
C. but D. whether
17. ---- Our holiday cost a lot of money.
---- Did it? Well, that doesn’t matter ______ you enjoyed yourselves. [2010-江西]
A. as long as
C. as soon as
18. ---- Shall we have our picnic tomorrow?
---- ______ it doesn’t rain. [2009-山东] B. unless D. though
A. Until B. While
C. Once D. If
19. You may use the room as you like ______ you clean it up afterwards. [2009-北京]
A. so far as B. so long as
C. in case D. even if
20. The old man asked Lucy to move to another chair _____ he wanted to sit next to his wife.
[2010-辽宁]
A. although B. unless
C. because D. if
21. Jenny was very sad over the loss of the photos she had shot at Canada, this was a
memory she especially treasured. [2006-广东]
A. as B. if
C. when D. where
22. Unlike watching TV, reading is a highly active process (过程), ______ it requires attention as
well as memory and imagination. [2005-江苏]
A. until B. but
C. unless D. for
23. ______ you've got a chance, you might as well make full use of it. [1999-全国]
A. Now that B. After
C. Although D. AS soon as
24. Please remind me of the meeting again tomorrow ______ I forget. [2008-上海]
A. thought B. so that
C. in case D. until
25. I’d like to arrive 20 minutes early ______ I can have time for a cup of tea. [2005-北京]
A. as soon as B. as a result
C. in case D. so that