阅读理解。 I went to summer camp with my classmates last summer. I never forget the days. Early in the morning, about 200 children from Grade. Seven came together at the bus station from different schools. After saying goodbye to our parents, we got on the buses. It took us more than two hours to arrive at the campground in Qingdao. We were laughing, shouting, jumping and running like birds when we got off the buses. For us, It was our first time to be away from our parents . Swimming was my favorite class. It was about one o'clock in the afternoon. It is the warmest time of a day and the best time to stay in cool water. With the help of my swimming teacher, l could swim very well. During the holiday, I learned many new things and made many new friends. How happy I was! 1. What did the writer do last summer? A. He went to summer camp. B. He went to the mountains. C. He studied for fishing. D. He learned to swim. 2. There were about students in the summer camp. A. one hundred B. two thousand C. two hundred D. one thousand 3. For the writer, it's his time to be away from his parents. A. first B. second C. third D. last 4. According to (根据) the passage, what did the students do at the campground? A. They made a trip to America. B. They learned English. C. They learned to swim. D. They had a running lesson. 5. How was the writer's holiday last summer? A. It was bad. B. It was not good. C. It was pretty good. D. It was hot