25.　A　small　car　is　big　enough　for　a　family　of　three　____　you　need　more　space　for　baggage. (2008 全国卷B)

A.　once　B.　because　　C.　if　　D.　unless

24.　It　was　not　until　midnight ______they　reached　the　camp　site. (2008 重庆卷)

　　 A.　that　　　　　　B.　when　 　　C.　while　　　　　　D.　as

23.　There　were　some　chairs　left　over　_____　everyone　had　sat　down. (2008 四川卷)

　A.　when　　　　B.　until　　　　　C.　that　　　　D.　where

22.　Nancy　enjoyed　herself　so　much　______　she　visited　her　friends　in　Sydney　last　year. (2008 高考试题 福建卷 )

　 　A.　that　　　　　　　B.　which　　　　　　C.　when　　　　　　　　D.　where

21.　My　English　teacher’s　humor　was　____　make　every　student　burst　into　laughter. (2008 江西卷)

A.　so　as　to　　　　　　B.　such　as　to　 C.　such　that　　　　　　D.　so　that

20.　Animals　suffered　at　the　hands　of　Man　 _______　they　were　 　destroyed　 by　people　to　make　way　for　agricultural　had　to　provide　food　for　more　people. (2008 江西卷)

A.　in　which　　　　　　　B.　for　which　 C.　so　that　　　　　　　　D.　in　that

19.　I　haven’t　seen　Ann　for　____　long　that　I’ve　forgotten　what　she　looks　like. (2008 四川卷)

　 　A.　such　　　　　B.　very　　　　　　C.　so　　　　　D.　too

18.　 It is difficult for us to learn a lesson in life _____ we’ve actually had that lesson. (2007年天津卷)

　 A. until　　 B. after　 C. since　 D. when

17. Many of them turned a deaf ear to his advice, ____ they knew it to be valuable. (2007年浙江卷)

　 A. as if　　 B. now that　 C. even though　 D. so that

16. Small sailboats can easily turn over in the water _____ they are not managed carefully. (2007年北京卷)

　 A. though　 B. before　 C. until 　D. if