Mr.Brown is the shopkeeper of a bookshop. Every day many people pass(经过) his front door and some of them stop to ask him, "Whattime is it, please?"After several (几个)months, Mr.Brown says to himself,"Iwant to stop answering all those people. I'm going to buy a big clock and put it in front of my shop."But after that, a lot of people still stop every day, look at the clock and ask, "Isthe clock right?"