填写单词 根据句子意思, 在空格中填写适当的单词, 使句子完整、正确。

Here are four seasons in a year — spring, ____ , autumn and winter.

Frank was ____ in 2000. He is fifteen this year.

It's 12:00 at noon. It's time for students to have____ in the dining hall.

To keep____ , you'd better exercise every day and eat more fruit and vegetables.

In China, many children are taken____ of by their grandparents in the village.

— I've ____ been to a water park before.

— Me neither.

What does John want to be when he____ up?

A boy ____  himself in P. E. class. The teacher and two students took him to the  hospital at once.

下面的句子不成对偶，请改动下句，使它们组成一组对偶句。

上句：看社会知国情坚定报国志

下句：放眼瞻望未来明确自己肩负的重大任务使自己的爱国心情越来越增强。