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20.What do I have to do      I want to be thinner.

A. if            B. since         C. while         D. until

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19.I’m happy to know you are well and in good       .

A. health        B. healthy         C. body           D. unhealthy

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18.I have some        news for you, Tom can’t come tomorrow.

A. disappointed    B. disappointing      C. interested       D. interesting

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17.What about      more trees to keep the air clean.

A. to plant        B. plant           C. planting        D. planted 

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16.Mary       on the phone when her friend went into her room.

 A. talked        B. was talking        C. talk            D. is talking

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15.The two women were       pleased to see each other that they talked on and on happily in the room.

A. such         B. so             C. to                D. very

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14.Do you like playing     basketball or playing      piano?

A. the ;the    B. the ;/          C. / ; the        D./ ; /

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13.Our teacher told us that the earth _______ around the son.

A. goes         B. will go          C. went           D. go

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12.Be quick. The plane       in two minutes.

A. leave         B. left           C. will leave       D. leaves

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11.I think children will study at home on computers       twenty years.

  A.for        B.in            C.after          D.on 

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