并列题名：Celtlc riddle 并列题名：Emily's riddle Celtlc riddle 并列题名：Messy middle 并列题名：Scold's bridle 并列题名：Toot & puddle 并列题名：Chinese riddles 并列题名:English riddles 并列题名：Hey diddle diddle 并列题名：Einstein's riddle