The Greens will have holiday in China.A. two weeksB. two weekC. two-weekD. a two-week

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A. two weeks
B. two week
C. two-week
(答案→)D. a two-week
解析：格林一家要在中国度过一个两周的假期。英语中两个单词中间用短横线连接起来可表示一个近似于形容词的含义，根据句意可知这是一个假期，故前面需用不定冠词a，选D，一个耗时两周的假期。