他们是

...（我是）, You're（你是）, He's （他是）,She's （她是）,It's（它是）,We're （我们是）,You're（你们是）, They're （他们是） 交际词汇：one（一）two（二）three（三）four（四）five（五）six（六）seven（七） eight（八）nine（九）ten（十） 学习音素...

 他们

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