In my opinion. life in the twenty-first century is much easier than . A. that used to be B.——青夏教育精英家教网—

摘要： In my opinion. life in the twenty-first century is much easier than . A. that used to be B. it is used to C. it was used to D. it used to be

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In my opinion， life in the twenty-first century is much easier than　　　　 .?

A.that used to be　　　 B.it is used to ?　　　 C.it was used to 　 D.it used to be

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