英语谜语答案1.letter is an insect?2.What is biack when it is clean and white when it is dirty?3.What will you get if you cut the head of a bear?4.why is a river rich?
问题描述：
英语谜语答案1.letter is an insect?2.What is biack when it is clean and white when it is dirty?
3.What will you get if you cut the head of a bear?
4.why is a river rich?
答