题目内容：

I don’t know what it is. No matter__1.___ I go to a post office and no matter where the post office is, I always find____2.__ (me) standing in line behind someone who has a lot of business to do.

One day, I had to buy a couple of stamps, but I had to wait behind an old lady who took fifteen minutes____3.___(finish) a form that a child could do in one minute.___ 4.____( feel) that I could not stand waiting in such a line any longer, I decided to join___5.____ one. It seemed twice as ___6.___as the first line, but at least it was moving. It turned out to be the worst choice I had ever made. As soon as I ___7.__（lose）my place in the first line, the one I joined slowed to a stop. I had no choice__8.__ to wait behind a schoolboy who was taking half an hour to choose a new set of postcards. At last it was my turn. I nearly jumped for joy. Then the clerk behind ___9.___ counter, a middle-aged fat guy, stood up, pushed forward a printed sign saying “Position Closed” and ____10.___(say) without a smile, “Sorry, going to lunch.”