2. 外语
  3. My mother (enjoy) ______ a better health since we came to live in this beautiful seaside city.

My mother (enjoy) ______ a better health since we came to live in this beautiful seaside city.

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问题 My mother (enjoy) ______ a better health since we came to live in this beautiful seaside city.
选项
答案has been enjoying
解析 时态。本句使用了现在完成进行时，表示动作开始于过去并一直在继续进行，结构为have/has been v-ing。句中给出since引导的表示过去时间点的从句，主句动作enjoy开始于从句动作“到海滨城市生活”之后，一直持续进行到现在，并继续下去。所以，空格处填has been enjoying。现在完成进行时，句中常有用for或since引导的表示一段时间的状语或从句。有时也包括现在时间在内的表示一段时间的状语。如all day，the whole morning等。【例句】：(1)The boys have been watching television since seven o’clock．(孩子们从七点起就一直在看电视。)    (2)I have been reading this book for two weeks but I have not finished it yet．(这本书我看了两周，但还没看完。)
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