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________isknowntousisthattobaccocontainsnicotineandothe...

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問題詳情:

________isknowntousisthattobaccocontainsnicotineandothe...

________ is known to us is that tobacco contains nicotine and other harmful products,so you should give up smoking.

A.As           B.It          C.What        D.Which

【回答】

C

知識點:連詞

題型:選擇題

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