题目

I'd rather ________ in the countryside because there is much pollution in the cities.A. live B. lived C. to live D. living 答案:【答案】A【解析】句意:我宁愿住在农村,因为在城市里有太多的污染。live居住,动词原形;lived是过去式;to live动词不定式;living动名词。这句话中使用了句型would rather do sth.宁愿做某事,故这里用动词原形,选A。生物体结构和功能的基本单位是:   A.个体          B.细胞         C.各种化合物       D.各种元素
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