What's full when it's used and empty when it's at rest?猜猜```为什么哦

脑筋急转弯:what is full when it's used and empty when it's at rest What's full when it's used and empty when it's at rest?猜猜```为什么哦 Why is the letter E so important?顺便也帮我写 When do people have two mouths?What is full when it 's used and empty when it'sat rest When do people have two mouths? what is always full when it is working and empty when at rest 英语脑筋急转弯（能答多少是多少）Why is an empty purse always the same?What is full when it's used and empty when it's at rest?What do every couple have in common?What fruit is never found single?Why did little Tom put his brother's gu 英语翻译Full Moon （The Black Ghosts） when the full moons turns white that's when I'll come home I am going out to see what I can sow And I don't know where I'll go And I don't know what I'll see But I'll try not to bring it back home with me What starts with T,ends with T,and it's full of T?想一想,猜一猜： 麻烦给我几道英语题的答案（有关世博会）1.What is the full name of Expo 2010?2.What's the emblem look like?3.How long will the Expo last?4.What's the theme of Expo 2010?5.When will the Expo begin?6.When will it end?7.Where is the Exp What do you do when it's raining?快 What do you usually do when it's raining? What _______you ________(do) when it's snowy? what,do,when,it's,do,raining,you造句 What happens when it ’s minus 35摄氏度 When is it 和 What's the date 的区别? 1.when it get long,The other will get short.If it get short,the other will get long.What are both of them?2.What's starts withT,ends withT,and full of T?3.What's the meaning of A bread and butter letter? 猜谜语：It is clean when it is black.It is dirty when it is white.What's it what's the full name of UK? Why is an empty purse always the same?1.why is an empty purse always the same?（为什么空钱包总是一样的?） 2.what is full when it's used and empty when it's ai rest?（什么东西用时满闲时空?） 3.why did little Tom put his brothe