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高一英语单句改错.急1.Kitty said she needs some fresh air2.The scienti

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高一英语单句改错.急
1.Kitty said she needs some fresh air
2.The scientist said he has spent 10 years working at the research
3.He says he bought a beautiful car the day ago
4.The astronomer told us the moon moved around the earth
1 needs -> needed 宾语从句(间接引语)时态跟着主句,主句为一般过去时,这里不可以用一般现在时,要用谓语动词的过去式
2 has -> had 理由同上
3 ago -> before 宾语从句(间接引语)ago要改为 before
4 moved -> moves 一般来讲,宾语从句(间接引语)时态跟着主句,但间接引语内容如果说的是一个真理,还是使用一般现在时,the moon是第三人称单数,用moves