【高一英语适当时态填空,BytheendofJuly,196-查字典问答网
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  【高一英语适当时态填空,BytheendofJuly,1969,theAmericangovernment()(pay)over$5billiononthespaceprogramme.Humankind()(not,have)anyothergreaterprojectthanProjectApollo.Landingonthemoonrequiresalotoftimeand】

  高一英语适当时态填空,

  BytheendofJuly,1969,theAmericangovernment()(pay)over$5billiononthespaceprogramme.Humankind()(not,have)anyothergreaterprojectthanProjectApollo.

  Landingonthemoonrequiresalotoftimeandeffort.Scientistsandengines()(work)hardsincetheybegantodesignthespaceship.TheymadefivesetsofplansfortheMoonlanding.Theyhadintendtosendaspaceshipweighing150000poundsdirectlytothemoon.

  Butthemeanthumans()(land)onthemoonmanyyearslater.Americans()(not,spend)muchmoremoneyandwaitforyearstobuildahugerocket.They()(send)fivepartsofaspaceshipintospacewiehfivesmallerrockets.Engineersontheground()(have)thefiveseparateparts"meet"inspace.Butthere()(be)seriousproblemsifthefivepartsfailedtocometogetheratthesametime.Atlast,NASAdecidedtoadoptaplansuggestbyanengineernamedEagle()(separate)fromApolloandlandontheMoon.

  Apollo()(leave)fortheMoonsoon.Andanexcitingday()(beaboutto,come)

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2020-12-2715:40
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刘晓冰

  paid,hadn't,worked,landing,couldn'tspend,sent,had,were,separating,left,wasabouttocome

2020-12-27 15:43:11
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