将下面句子合并成宾语从句Could you tell me Where will they spend their holiday?要用到 if/whether 后面用陈述句的形式啊

问题描述:

将下面句子合并成宾语从句
Could you tell me
Where will they spend their holiday?
要用到 if/whether 后面用陈述句的形式啊

Could you tell me the place where they will spend their holiday?

Could you tell me where will they spend their holiday?

Could you tell me whether they will go anywhere to spend their holiday?