Tom'sHelen'sbrother. HelrnisBob'ssister〔合成一句话〕
问题描述:
Tom'sHelen'sbrother. HelrnisBob'ssister〔合成一句话〕
答
Tom and Helen is family
Tom'sHelen'sbrother. HelrnisBob'ssister〔合成一句话〕
Tom and Helen is family