Tom's Helen's brother.Helen is Tom's sister.(合成一句话)合成如下句型Tom and Helen ____ ____ and ____ .

问题描述:

Tom's Helen's brother.Helen is Tom's sister.(合成一句话)
合成如下句型
Tom and Helen ____ ____ and ____ .

回答正确!

Tom'and Helen are brother and sister.

Tom and Helen are brother and sister.

对的