6 .Once environmental damage _,it takes many years for the system to recover.A.has doneB.is to doC.doneD.is done7 .Although punctual himself,the professor was quite used late for his lecture.A.to have students’B.for students’ beingC.f

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6.Onceenvironmentaldamage_______,ittakesmanyyearsforthesystemtorecover.A.hasdoneB.istodoC.doneD.isdo

6 .Once environmental damage _______,it takes many years for the system to recover.A.has doneB.is to doC.doneD.is done7 .Although punctual himself,the professor was quite used ______late for his lecture.A.to have students’B.for students’ beingC.f
6 .Once environmental damage _______,it takes many years for the system to recover.
A.has done
B.is to do
C.done
D.is done
7 .Although punctual himself,the professor was quite used ______late for his lecture.
A.to have students’
B.for students’ being
C.for students’to be
D.to students’being
8 .We shall appreciate _________ from you soon.
A.being heard
B.hearing
C.to hear
D.having been heard
9 .________ was not the way the event happened.
A.Which the press reported
B.That the press reported
C.What did the press report
D.What the press reported
10 .He was accused ____ stealing from the shop.
A.with
B.in
C.of
D.at

6 .Once environmental damage _______,it takes many years for the system to recover.A.has doneB.is to doC.doneD.is done7 .Although punctual himself,the professor was quite used ______late for his lecture.A.to have students’B.for students’ beingC.f
6.D 条件状语从句,一旦环境破坏发生,系统就要花很多年去恢复.
7.B be used doing sth习惯于做某事意思是:尽管教授自己是严格守时的人,但是他都习惯了学生们在他的课时迟到.只不过中间多了for students’
8.B appreciate doing sth 要接动名词
9.D 整个句子缺主语,A和B都是定语从句,C的语态不对
10.C accuse sb of sth/doing sth 控告某人某事句中是被动语态

once! once once Once once Once once once once A Friend of the Earth _____ the environmentA.take care of B.looks after C.look after D.care for They're organizing a campaign to draw people's attention to the environmenta这句话如何翻译 yesteday once 英语翻译once once a at once at once once upon Once But