They stayed to take care of the animals.(就画线部分提问) ____________________

问题描述:

They stayed to take care of the animals.(就画线部分提问) ____________________
to take care of the animals(画线部分)

如果划线部分是to take care of the animals的话,则正确答案为:Why did they stay?或:For what did they stay?或:What did they stay for?或:What did they stay to do?推荐第1种和第4种变化....