We were told that ______ when Marx was already _______, he started to learn Russian.

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• 1_____ for his mistake, the little boy could not but _____to his teacher that he was wrong.

  A.Blaming; to admit

  B.Blamed; admit

  C.To blame; admitted

  D.To be blamed; admitting

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• 2Simply learn to live in the present, ________ think so much about the future or the past.

  A.rather than

  B.other than

  C.more than

  D.less than

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• 3In a way, Pompeii is like a time capsule ____ a frozen moment in history.

  A.protecting

  B.preserving

  C.preventing

  D.protesting

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• 4More attention must be paid ____________ the endangered animals.

  A.protect

  B.to protect

  C.to protecting

  D.protecting

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• 5Berners-Lee ________ the idea of the World Wide Web in 1989 while working in Switzerland.

  A.caught up with

  B.came up with

  C.looked forward to

  D.put off

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• 6He was so _______ thought that he didn't see the pole on the road

  A.buried in

  B.careful with

  C.busy with

  D.serious about

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