What's your favourite subject in science why

What's your favourite subject in science why what's your favourite subject? what's your favourite subject? 是什么意思? What`s your favourite subject? 怎么回到 What's your favourite subject,Mike? what's your favourite subject?favourite 后面是subject 还是subject What's your favourite cartoon character?Why? What's your favourite animals and why what's your favourite movie?why? What's your favourite season?Why? What's your favourite subject?同句转换 what’s your favourite subject?（改为同义句）