After living with his grandparents in the countryside for ten years, the boy returned to t

发布时间：2020-08-14 23:05:33

After living with his grandparents in the countryside for ten years, the boy returned to the big city      his parents worked.A. whichB. whereC. thatD. when

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先行词为city，在定语从句里做地点状语。
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