一、完形填空(共20小题;每小题1分,满分20分)
阅读下面短文,掌握其大意,然后从A、B、C、D四个选项中选出最佳选项。
I was at the post office early that morning, hoping to be in and out in a short while.Yet, I 1 myself standing in a queue that went all the way into the hallway.I had never seen so many people there on a weekday.It seemed someone might have made an announcement, welcoming customers to carry as many 2 as they could and bring them in when I needed to have my own package 3 .The queue moved very slowly.My patience ran out and I got 4 .The longer it took, the angrier I became.When I got to the counter finally, I finished my 5 quickly and briefly, and then walked past the queue that was now extending