最新医院宣传预防艾滋病、梅毒和乙肝主题PPT课件_1543312229.-药学医学精品资料.ppt

《最新医院宣传预防艾滋病、梅毒和乙肝主题PPT课件_1543312229.-药学医学精品资料.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、最新医院宣传预防艾滋病、梅毒和乙肝主题PPT课件_1543312229.-药学医学精品资料过去完成时态练习用所给动词的正确形式填空。1.Mary_____already_____(try)thedressonbeforesheboughtit.2.Iwassurprisedtofindthatallmyclassmates_________(go)tothelabwhenI_____(get)totheclassroom.3.Whenshe______________(finish)herworkintheoffice,Mrs.Smithleft.4.Mr.Fen

2、g__________(teach)Unit16bytheendoflastweek.5.Mr.Smith____________(live)inEuropeforfifteenyearsbeforehe_____________(go)toAustralia.hadtriedhadgonewenthadfinishedhadtaughthadlivedwent1.We_____________(paint)thehousebeforewe______________(move)in.2.Thatricholdman_____________(make)awil

3、lbeforehe_____________(die).3.They_____________(study)themapofthecountrybeforethey________(leave).4.Therobbers_____________(runaway)beforethepolicemen_______(arrive).5.I_______________(turnoff)allthelightsbeforeI____________(go)tobed.6.Paul__________(go)outwithJaneafterhe_________

4、_(make)aphonecall.7.Tom__________(say)he___________(read)thebooktwice.hadpaintedmovedhadmadediedhadstudiedlefthadrunawayarrivedhadturnedoffwentwenthadmadesaidhadread8.Ourplan____________(fail)becausewe_____________(make)abadmistake.9.Whenthechairman____________(finish)speaking,he____

5、________(leave)thehall.10.TheReads__   ______ (have)lunchwhenI________________(get)totheirhouse.11.WhenI______________(arrive)atthestation,he____________________(leave).12..We_______________(learn)about4000Englishwordsbytheendoflastterm.13.Iwaiteduntilhe_______________(finish)hishomew

6、ork.14.Weweresurprisedatwhatshe________already______(do)15.She____________(notgo)toQingdaobecauseshe________________(go)therebefore.16.He______________(nottell)youthenewsyet.17.Hesaidhe_____________already_________(give)thebooktotheteacher.18.I______________(be)toShanghaibefore.19.She

7、toldmeshe_________________(be)toSanyathreetimes.20.She_____________(play)theguitarwhilehersister_______________(sing).句型转换1．Ihadsoldtheticketwhenshecame.（改否定句）2.Shehadsungasongtousbeforeshedanced.（改否定句）3.Theybegantoclimbthemountainaftertheyhadboughtallthefoodanddrinks.（否定）4.By10:00a.m

8、,Ihad