完成句子（共10小题；每小题2分，满分20分）
小题1:We had so much trouble _____________________ our proposal.   (talk)
我们费了好大的劲才说服他接受我们的提议。
小题2:How come such a rich man robbed the bank?  It _______________________. (sense)
这么富有的一个人怎么会抢银行呢？这讲不通呀。
小题3:Many of the soldiers were diagnosed with cancer after they came back from the front because they ______________________ radiation during the war.   (expose)
很多士兵从前线回来都被诊断出了癌症，因为他们在战争期间曾暴露在辐射中。
小题4:Our software, unless _________________________, may not serve us well in our work.  (update)
除非定期升级，否则我们的软件无法很好地为我们服务。
小题5:The Western markets _________________________ cheap products made in China. (flood)
西方国家的市场上充斥着中国制造的廉价商品。
小题6:Only if you work hard from now on ______________________ your classmates in studies.   (catch)
只有从现在开始努力，你在学习上才能赶上你的同学
小题7:________________________________ at 2013 World Swimming Championships made us all very proud.   (win)
孙杨在2013年游泳世锦赛上夺得三枚金牌使我们都非常骄傲。
小题8:Luckily we brought with us a map, without which we                ___ in the jungle.（get）
幸运的是，我们带了地图，要不然在丛林里就迷路了。
小题9:Peter learned German, French and Spanish at an evening school, ____________ fluently now. (speak)
彼得在一所夜校学习了德语、法语和西班牙语，所有这些语言他现在都讲得很流利。
小题10:I can’t help thinking what it is in the computer games __________________ the boys. （appeal）
我禁不住想，电脑游戏中到底是什么吸引了这些男孩子。