请通读下面短文，掌握其大意，根据语法和上下文连贯的要求，从每小题所给的三个选项中选出一个最佳答案，并将答题卡上对应题目所选的选项涂黑。David is a 15-year-old boy and he is crazy about space. He always wonders how space stations work. For him, a space camp is 1 than any other camp in the world.
At the age of seven, David had 2 first astronaut (宇航员) training experience. He and his parents 3 to a Family Space Camp. They had a taste of what it was like to travel 4 space. Everything was magical. 5 excited David was!
David has been to many space camps over the last eight years. Last month, he went to 6 new space camp. It had a lot of fun training programs, 7 he enjoyed all of them. There he was often asked 8 he liked space camps so much. "I feel like a real astronaut in the space camp, and I don't even need 9 the earth," he said.
These experiences have influenced his life. Now David10 space science. He has made up his mind to be a space engineer in the future.
