限时训练连词和状语从句（20分钟）1.【北京】He is a shy man,_he is not afraid of anything or anyone.A.so B. but C.or D. as2.【北京】 You wont find paper cutting difficult _you keep practicing it.A. even if B. as long as C .as if D. ever since3.【重庆】If you miss this chance, it may be years _ you get another one.A. as B. before C. since D. after4.【天津】We need to get to the root of the problem_ we can solve it.A. whileB. afterC. beforeD. as5.【四川】There is only one more day to go your favorite music group play live.A. since B. until C. when D. before6.【陕西】 I believe you will have a wonderful time here you get to know everyone else.A. though B. as if C. once D. so that7.【福建】_the students came from different countries, they got along quite well in the summer camp.A. WhileB. UnlessC. SinceD. Until8.【安徽】_ he once felt like giving up, he now has the determination to push further and keep on going.A. WhereB. AsC. In caseD. Now that9.【安徽】_ scientists have learned a lot about the universe, there is much we still dont know.A. OnceB. SinceC. ThoughD. Unless10.【湖南】_ the job takes a significant amount of time, most students agree that the experience is worth it.A. If only B. AfterC. Although D. In case11. 【2014安徽】The eaning of the word “nice” changed a few times _ it finally came to include the sense “pleasant”Abefore BafterCsince Dwhile12.【2014浙江】Cathy had quit her job when her son was born _ she could stay home and raise her family.Anow that Bas ifConly if Dso that