题目内容：

用方框中所给单词或短语的适当形式填空。每个单词或短语限用一次。

centre     high      according to     sheep     ant

1.There are 2，000 ________________ on my father's farm.

2.________________ a new survey, young people are lack of exercise.

3.The shops in ________________ London keep open late on Thursday evenings.

4.The  ________________ of the building is three hundred feet.

5.Can you see the ________________？ They are working together to take the dead bird home.