It’s ten years since the scientist ___on his life’s work of discovering the valuable chemical.

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• 1I’ve        the habit of calling in on my grandparents on my way home from school.

  A.come into

  B.gone into

  C.got into

  D.run into

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• 2What the salesman said was so persuasive that the old man was completely ______.

  A.taken in

  B.given in

  C.brought in

  D.turned in

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• 3How much did you _________ for repairing the bicycle  ?

  A.spend

  B.cost

  C.worth

  D.pay

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• 4There are many mistakes in your homework. You should ______ special attention to the correct use of tenses.

  A.focus

  B.pay

  C.require

  D.get

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• 5When it comes to talking about football, his favorite sports, with David, any time will _____ him.

  A.suit

  B.fit

  C.match

  D.equal

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• 6Disadvantages as they have, online games never fail to _____ a large number of teenagers．

  A.appeal to

  B.object to

  C.refer to

  D.turn to

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• 7— Mom，Dad is smoking again! —Well，let him cut it ________ gradually since old habits die hard.

  A.off

  B.down

  C.up

  D.out

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• 8It’s easy for some women to be ________ by products promising to help lose weight soon.

  A.brought in

  B.brought up

  C.taken on

  D.taken in

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• 9The oil price has _______ a lot these days because of the war .

  A.gone back

  B.gone up

  C.gone over

  D.gone out

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• 10Just as I rounded the corner, I _____ a stranger trying to enter Mr. Tailor’s House, whose face looked familiar to me.

  A.spotted

  B.placed

  C.glared

  D.sought

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