Theresearchissodesignedthatonce

来源：语文精选馆 1.05W

问题详情：

Theresearchissodesignedthatonce

The research is so designed that once _______ nothing can be done to change it.

A. begins B. having begun C. beginning D. begun

【回答】

D

知识点：一般过去时及其被动式

题型：选择题

相关文章

阅读与回答问题SixteenisaspecialageintheUnitedStates.There’soft...

Readingcomprehension(阅读理解)Choosethebestanswer（根据以下内容，选...

完形填空“Justsignhere,sir，”thedeliverymansaidashehandedOsca...

阅读表达“Whodidthis？”askedMissGreen.　　Therewere30childrenin...

---Thestudentslookverytiredafterthesportsmeeting.---We...

(2019·*高考)Sincehefirststartedvolunteeringhiscartotheyo...

BeijingOperaisthequintessence（精髓）ofChina.It'sthemostwel...

Astheymigrate(迁移)，butterfliesandmoths（飞蛾）choosethewinds...

—TheKing’sSpeechhasbecomethe83rdOscarwinner.Ilikeitvery...

What’stheredstarintheskythroughatelescope(望远镜)?ItisM...

热门标签