英语问题：下列句子中均有一处错误,请将错误部分的序号写在括号里.
下列句子中均有一处错误,请将错误部分的序号写在括号里.
1.Janet doesn't like climbhills . ()
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A B C
2.Sydney is the larger city of Australia.()
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A B C
3.This is the America national flag.()
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AB C
5.Rome is the capital of Russia .()
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ABC