可否再帮我一个忙：What always has one eye open but can't see?,答案是need

可否再帮我一个忙：What always has one eye open but can't see?,答案是need what has an eye,but can`t see? what has an eye but can not see? What has eyes but can't see? 英语字谜 ①What has an eye,but can't see at all?____ ②Where does what has four legs and one back but can 't walk?(什么东西有四条腿一个背 小谜语 英语What has an eye,but cannot see? 1What has an eye,but it can not see at all?A.a mouse B.a dog what has teeth but can't eat? 答案 What has two legs but can\'t walk?答案是什么 用英语回答 What has a neck but no throat?What has an eye but can' what is it that you can't see,but it is always before you?