6.在最近的十年中,我国经历了历史性的变化.(experience)7.我们将作进一步的讨论,然后再做出最终结论.(before)8.多吃点水果,那么你就不用担心缺少维生素.(lack,v.)Inthepasttenyears,ourcountryhasexperiencedhistoricchanges.Wewillhaveafurtherdiscussionbeforewedrawthefinalconclusion.Eatmorefruit,and(then)youneedn'tbeworriedaboutlackingvitamins.9.他从来没有意识到,题目越容易就应该越仔细.(occur)10.只有通过亲身实践,你才能真正理解志愿服务的重要性.(Only)Ithasneveroccurredtohimthattheeasiertheproblems/exercisesare,themorecarefulheshouldbe.Onlythroughyourownpracticecanyoureallyunderstand/makeouttheimportanceofvolunteerwork.用适当的介词填空。1.Shesaidshewouldn’tsetfoot______theroomuntilithadbeencleaned.2.Ittakesabout30minutesonfoot,or10minutes______car.3.Herhusbandwasalwaysnicetoher______public.4.She’sbeenhere______thebeginningoftheyear.5.Thewholetripwasadisaster______beginningtoend.6.Thesediscoveriesmaythrownewlight______theoriginsoftheuniverse.inbyfrominupon/onat
