1.the boy is caomes from USA 2.he gave up help the old man 改病句!快!速度!还有：3.Tom lives in China 3 years ago.谢啦~~~

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1.theboyiscaomesfromUSA2.hegaveuphelptheoldman改病句!快!速度!还有：3.TomlivesinChina3yearsago.谢啦~~~1.theboyis

1.the boy is caomes from USA 2.he gave up help the old man 改病句!快!速度!还有：3.Tom lives in China 3 years ago.谢啦~~~
1.the boy is caomes from USA 2.he gave up help the old man 改病句!快!速度!
还有：3.Tom lives in China 3 years ago.谢啦~~~

1.the boy is caomes from USA 2.he gave up help the old man 改病句!快!速度!还有：3.Tom lives in China 3 years ago.谢啦~~~
1 the boy comes fron USA 或者 the boy is from USA
2 he gave up helping the old man
3 Tom lived in China 3 years ago

1.The boy comes from USA.
2.He gave up helping the old man.
3.Tom lived in China 3 years ago.

1 The boy is from USA
The boy comes from USA
2 he gave up helping the old man
3 Tom lived in China 3years ago.

come from 意为“来自”，是动词+介词词组，因而第一句应为：The boy comes from USA.
give up 意为“放弃”，放弃做某事，后跟的实义动词的现在分词形式，即give up doing.因而第二句应为：He gave up helping the old woman.
从第三句的时态就可以得知，过去时态，谓语动词也应变形为过去时形式，因而应为：To...

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1.the boy is caomes from USA 2.he gave up help the old man 改病句!快!速度!还有：3.Tom lives in China 3 years ago.谢啦~~~ the boy is singing what is the boy where is the boy the boy is h0w is the boy. The boy is( )school? The boy is ( )the window? the boy is happy还是the boy is happily Is the boy()red yuo? The boy is c___the house The boy's______ is tom The boy is always___(fun). the boy is mine中文歌词 The boy is enjoying___meal now. The boy is in---------room The boy is very_____(excite) how (care) the boy is.