Do you often visit your grandparents?

你常去看望你的祖父母吗？

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When do you plan to visit your grandparents?

你们何时准备去看望你的祖父母。

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How often do your parents visit your grandparents?

你的父母多久看你的望爷爷奶奶一次？

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How often do your parents visit your grandparents?

你的父母多久看你的望爷爷奶奶一次？

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