用am,is,are

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用am,is,are用am,is,are 用am,is,are第一个is2)ThisisZhangPeng.4)Therabbitesarejumping.6)Whatareyoursist

用am,is,are
用am,is,are

用am,is,are
第一个is

2)This is Zhang Peng.
4)The rabbites are jumping.
6)What are your sister doing?

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