what is it when a cake is divided among four children的答案英语智力题~~各位帮忙一下啊~~

英语：读一读,想一想,猜一猜What is black when it is clean and white when it is dirty?It is a ( ). what a lie is when we see it.如何翻译 _____?it is on thursday.a:what is it today b:what day is it today c:what day is it on d:when is it -_____today?-it's Monday.A:when is it B:How is it C:What day is it it is clean when it is black.it is dirty when itis white.what is it what is white when it is dirty 猜猜what是什么 It is no longer what it was 20years ago,___poorly equipped.A.when B.which what time is it 与when is it 的区别 What time is it when a cake is divided among four children 这是个谜语， what tiam is it when a cake is divided among four children是什么意思? What time is it when a cake is divided among four children? What time is it when a man is chased by ten dogs? what is a constitutional Monarchy?when did it bengin?what is a constitutional Monarchy?when did it bengin?怎么用英文回答？ 智力测试（英语）What dog never barks?What letter is a drink?What is black when it is clean and white when it is dirty?What makes a girl into a woman? It is clean when it is black.It is clean when it is black.It is dirty when it is white.what's it? 猜谜语：It is clean when it is black.It is dirty when it is white.What's it 智力测试What is black when it is clean and white when it is dirty? What is clean when it is black and dirty when it is white?