What has keys but no doors? block(锁有钥匙但没有门)
what doesn't ask question,but needs to be answered?telephone(电话)
how many months have twenty-eight days? every months(每个月都会有28日这一天)
how many bricks does it take to finish a house?only one(最后只需要一个就能完成)
什么有钥匙除了没有之外门?
有叉子和嘴的东西 , 但是不能吃?
不 问问题的东西,但是需要被回答?
月有多少二十个八天的?
砖块做多少它拿完成一楝房子?
蛋糕尝起来可怕什麽类型的?
how many mouths have twenty-eight days?
Every mouths.
2.A dusbin