英语的根据所给要求完成句子,1.Red is said to be the symbol go happiness(用It is said that 改写成复合句）2.John is talking to a girl in red.I know that girl（合并为含有定语从句的复合句）3.Yesterday I bought a wooden horse for my lovely son(改为含有定语从句的复合句）

1.It is said that red is the symbol of happiness.（应该是of，不是go）
2.I know that girl in red whom John is talking to.
John is talking to a girl in red who I know.
3.Yesterday I bought a horse which is made of wood for my lovely son.
Yesterday I bought a wooden horse which is for my lovely son.

It is said that red had been the symbol of happiness.
John is talking to a girl in red who I know.
Yesterday I bought a horse which is made of wood for my lovely son.

It is said that red is the symbol of happiness.（是of go好像不搭……）
I know that girl in red whom John is talking to.
Yesterday I bought a wooden horse which is for my lovely son.