1.What is dark but made by light?
2.What is easy to get into but hard to get out of?
3.What is black when it is clean and white when it is dirty?
翻译题目并回答
參考答案:1.What is dark but made by light?
由光形成的什么东西是暗的?
shadow
影子
2.What is easy to get into but hard to get out of?
什么东西进去很容易，出来却很困难?
problem
问题；困惑
3.What is black when it is clean and white when it is dirty?
什么东西干净的时候是黑的，脏的时候是白的?
blackboard
黑板
