阅读短文，根据要求完成下面各小题。

Mr. Smith is a teacher. Yesterday he did a survey of what his students did on their last day off and this is what he learned.

Linda went to see her grandparents. Her grandparents live in the countryside. They are very old. But they don’t like to live in the city. They want to have a quiet life. Tom helped his parents do some housework. He cleaned the room, took out the trash, washed all the clothes . At noon, he helped his mother cook lunch. Mary look after her little brother because her mother was ill. Her father had to look after her mother in the hospital. Mike studied history at home. He isn’t good at history. He thinks it is too difficult for him. His father helped him. Both his father and his mother hope that Mike can be good at all his subjects. They want him to study in a famous university one day.

（一）根据短文内容简要回答问题。

1.Where do Linda’s grandparents live?

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2.Why did Mary look after her little brother ?

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3.Is Mike good at history?

（二） 将短文中划线的句子译成汉语。

4.

5.