Mary’s father dought a dog four days ago对划线部分提问 对划线部分 four days ago

问题描述:

Mary’s father dought a dog four days ago对划线部分提问 对划线部分 four days ago
she went there with one of her classmates 对划线部分提问 对划线部分one of her classmates

when did Mary's father buy a dog?
whom/who did she go there with?