So although Fleming discovered penicillin, it was over a decade ___________someo

So although Fleming discovered penicillin, it was over a decade ___________someo

题型:不详难度:来源:

So although Fleming discovered penicillin, it was over a decade ___________someone else turned penicillin into the great drug of the 20th century.
A.whenB.thatC.beforeD.unless

答案
C
解析
考查时间状语从句。句意“尽管是弗莱明发现的青霉素,但是青霉素广泛用于药物是几十年后的事情。”it is +一段时间+before意为“过了多久才......”。故选C。
举一反三

-----Do you have a minute? I’ve got something to tell you.
-----OK, _________you make it short. You see the match between Argentina and Korea is on and I won’t miss every wonderful moment.
A.so long asB.now thatC.if onlyD.every time

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. It was not for the reason ______ she loved him _______ she married the young man.
A.that; whichB.because; thatC.that; thatD.that; so

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_______, we’ll support you.
A.No matter what happensB.No matter what will happen
C.No matter what will be happenedD.No matter what is happened

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Devon reorganized the kitchen last weekend,     was now clean.
A.itB.whatC.whichD.that

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.She does not speak our language,       she seems to understand what we say.
A.soB.orC.yetD.for

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