The great scientist became world-known in the early 1970s,__..

The great scientist became world-known in the early 1970s,______ he and another scientist made new discoveries about black holes.A.whichB.whereC.whenD.then

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. ____ it will do us harm or good remains to be seen.A.IfB..

. ____ it will do us harm or good remains to be seen.A.IfB.WhetherC.ThatD.Where

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We were very much surprised at the way ___ she treated the o..

We were very much surprised at the way ___ she treated the old woman.A.on whichB.by whichC.to whichD.in which

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A terrible earthquake happened in that district at the end o..

A terrible earthquake happened in that district at the end of 2004, ____ many countries in the world paid close attention to this. A.whereB.whenC.whichD.what

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_____________ you don’t like him is none of my business.A...

_____________ you don’t like him is none of my business.A.ThatB.WhoC.WhatD.Whether

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