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_____is known to us all is that we should do as much as we can ______ stop the pollution of the environment.
A.It; helpB.What; to helpC.As ; to helpD.That ; help

答案
B
解析

核心考点
试题【_____is known to us all is that we should do as much as we can ______ stop the p】;主要考察你对代词等知识点的理解。[详细]
举一反三

A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change.
A.thatB.itC.thisD.there

题型:不详难度:| 查看答案

If more readers become comfortable with reading digitally, _______ but the book-collectors will want to buy paper books.
A.anyoneB.someoneC.no oneD.none

题型:不详难度:| 查看答案

If you don"t have anything nice to say to other people, don"t say      .
A.anythingB.somethingC.nothingD.everything

题型:不详难度:| 查看答案

I find _____ difficult for us to master English if we don’t work hard.
A.thatB.itC.thisD.what

题型:不详难度:| 查看答案

-Can I have a copy of Longman English Learners" Dictionary?
-Sorry, but there is_________left at the moment.
A.no oneB.nothingC.noneD.neither

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