Mother: I left two pieces of cake in the cupboard this morning, Johmmy,and now there is only one piece left. Can you explain that?

　　妈妈: 约翰尼，我今天早上在橱子里放了两块点心。现在就剩下一块了。你能解释一下吗?

　　Johnny: Well, I suppose it was so dark that I didn' t notice the other.

　　约翰尼: 哦，我想是因为里面太黑我没看到另外那块。