我女儿最喜欢的卡通角色是史酷比，那只总是和朋友们一起解决谜团的大狗。

My daughter's favorite cartoon character is ___Scooby-Doo, the big dog who always solves mysteries with his friends.

我完全不知道这个问题的答案。

I haven't got a ___scooby-doo about the answer to this question.