翻译句子:他们上个礼拜到海南度假了.They went to Hainan ________ ________ last week.
问题描述：
翻译句子:他们上个礼拜到海南度假了.They went to Hainan ________ ________ last week.
答
They went to Hainan __on ______ _vacation_______ last week.