He went there as a volunteer on a program.A. two-year B. two-yearsC. two-year’sD. two yea

发布时间：2020-08-20 23:57:21

He went there as a volunteer on a      program.
A. two-year
B. two-years
C. two-year’s
D. two years

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(答案→)A. two-year
B. two-years
C. two-year’s
D. two years
解析：此题考查合成形容词其结构是:基数词-名词+被修饰的名词。其中有两点要注意：连字符和名词要用单数形式
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