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10.(   ) And in this way, one of the world’s favorite _____ was invented.

   A. machine       B. machinery     C. machines      D. machining

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9.(   ) I don’t like eating chocolate. The taste is too ______.

   A. crispy        B. salty     C. sour       D. sweet

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8.(   ) I think the most helpful ______ is the light buld.

   A. inventions     B. invention    C. invented   D. inventor

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7.(   ) This beautiful picture was taken by _____.

   A. him          B. his           C. he       D. hers

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6.(   ) The task can _______ next week.

   A. do           B. did      C. be done     D. be do

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5.(   ) Anna is ______ to choose her own clothes.

   A. allowed       B. allows     C. allowing   D. allow

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4.(   ) My skirt is more expensive than _____.

   A. she          B. her          C. hers      D. him

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3.(   ) A friend of ______ came to see ______ yesterday.

   A. her, I         B. hers, I        C. her, me    D. hers, me

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2.(   ) It’s used for ______ really cold ice cream.

   A. scooping      B. scooped       C. scoop     D. scoops

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1.(   ) The abacus _____ invented in the sixth century by Chinese people.

   A. be           B. is            C. was       D. were

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