人教版六年级下册英语课本Unit4 A部分课后详细解答过程和答案

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Let's talk部分详细解答过程和答案
There was only one small building on a hill.There was no library in his school.There were no computers or Internet in his school.
(仅供参考)
There was a small building in my school five years ago.There wasn't a library. There were no computers.There is a big building in my
school now.And there is a new library. There are many computers.
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Find the mistakes部分详细解答过程和答案
(仅供参考)
At that time,there were no post offices,cafes,gyms,motels or cinemas. People didn't go by bike or bus. People couldn't use traffic
lights.