题目

Last week, I had a wonderful summer camp with my classmates. We ______ at the bus station early in the morning. After saying ______ to our parents, we got on the bus. We ______ two hours arriving at the campground. When we got there, everyone got off the bus ______, laughing and shouting. We jumped and ran around the campground. It was the _____ time for us to be away from parents. So some of us began to feel homesick (想家的). ______, when the night party and dances began, the homesickness disappeared. The next day, we had a ______ of climbing a mountain. At first, we climbed quickly. But 刚降雪后的街道会显得格外寂静，周围环境中的噪声到哪里去了？试简要分析．