A．20－yearB．a 20－year periodC．20－yearsD．a 20 years

Lisa is a （) girl.A. ten－yearB. ten－yearsC. ten yearD. ten years

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She is ill ___A.all the yearB.whole year roundC.all the year roundD.all year round

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The tropical year differs from which year by 20 minutes （).A.Astronomical yearB.Natural ye

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？？？？CIn January 2004, a 20－year－old woman ran a red light while talking on a cell phone. H

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How long did Ethbell teach minority students？A．8 years.B．16 years.C．20 years.D．30 years.

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Before 20 years old I had______.A. those unexpect

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How long has Ethbell taught minority students?A.8 years.B.20 years.C.16 years.D.30 years.

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