They visited their grandparents in the countryside.

他们去乡下看望祖父母。

同一单元的其他句子

• Where did you go on vacation last summer?去年夏天你去哪里度假了？
• I went to the beach with my family.我和家人去了海滩。
• Did you visit any museums in Beijing?你在北京参观博物馆了吗？
• She stayed at home and read books during the holiday.假期里她呆在家里看书。
• We took many photos of the mountains.我们拍了许多山的照片。