最新数字电子技术第八章课后习题答案.docx

最新数字电子技术第八章课后习题答案.docx

《最新数字电子技术第八章课后习题答案.docx》由会员分享，可在线阅读，更多相关《最新数字电子技术第八章课后习题答案.docx（3页珍藏版）》请在冰豆网上搜索。

最新数字电子技术第八章课后习题答案

初中英语八大时态

综合时态练习

（   ）1.What_____you_____overtheweekend?

             A.will;do            B.does;do          C.did;do            D.were,;doing

（   ）2.XiaoLiusually_____toschoolbybikelastyear.

A.goes                B.went                C.willgo             D.isgoing

（   ）3.What_____inourtown100yearsfromnow?

             A.happened        B.ishappened     C.hashappened  D.willhappen

（   ）4.Mr.Smith_____toseeyouinanhour.

             A.came               B.hascome         C.willcome        D.comes

（   ）5._____you_____fromyourparentsrecently?

             A.Did;hear        B.Have;heard    C.Do;hear         D.Will;hear

（   ）6.We_____TVathomethistimelastnight.

A.werewatching B.watched           C.havewatched  D.wouldwatch

（   ）7.We_____over1500Englishwordsbytheendoflastmonth.

             A.havelearned   B.hadlearned     C.willlearn       D.learnt

（   ）8.She_____inShanghaifortenyearssince1992.

A.haslived         B.hadlived         C.lived               D.willlive

（   ）9.She_____inShanghaifortenyears.

        A.haslived         B.hadlived         C.lived               D.willlive

（   ）10.Weallknowthattheearth_____roundthesun.

A.goes                B.went                C.isgoing           D.willgo

（   ）11.“Wherearetheboys?

”  “They_____soccerontheplayground.”

A.play                B.areplaying             C.wereplaying   D.played

（   ）12.Look!

Lucy_____underthetree.

A.reads              B.isreading        C.wasreading     D.read

（   ）13.He_____morethan200modelcarsinthelastfiveyears.

A.hascollected   B.hadcollected   C.collected         D.willcollect

（   ）14.Jim_____alettertohisparentsat7:

30lastnight.

A.hadwritten     B.wrote              C.wouldwrite     D.waswriting

（   ）15.TheSmiths_____inBeijingsincetwoweeksago.

A.stayed                    B.werestaying    C.wouldstay       D.havestayed

（   ）16.“When_____you_____thebike?

”  “LastMonday.”

A.have;bought   B.did;buy           C.will;buy          D.do;buy

（   ）17.Look!

Theboy_____Englishnow.

A.likes               B.liked               C.isliking          D.wasliking

（   ）18.Moststudentsinourclass_____TVtwiceaweek.

A.watch              B.watched           C.willwatch        D.arewatching

（   ）19.Howsoon_____they_____backfromwork?

A.do;come         B.did;come        C.have;come     D.will;come

（   ）20.“Where_____you_____Mr.Li?

” “Inhisoffice,halfanhourago.”

A.will;see          B.did;see           C.have,seen             D.do;see

（   ）21.I_____anewdictionary.Look!

It’sveryuseful.

             A.bought            B.willbuy           C.havebought    D.wouldbuy