题目

I was reading a book in my chair in the living room_________my son was watching a show on TV. Suddenly, I heard someone in the show shout out happily, “Go to your happy place! I looked up and saw that my son was laughing. After hearing those words and seeing my son's happy face, I _______all my happy places.When I was a little boy, my happy place was my mother's lap(大腿). I could sit there and_______ shared a piece of cake. When I was in elementary(小学) school, my happy place was a tree. I could sit under it and watch the leaves_________golden in the fall. When I was a teenager, my hap小江计划将池塘的鱼在年底打捞出来运往某地出售，为了预订车辆运输，必须知道鱼塘内共有多少千克的鱼，他第一次从鱼塘中打捞出100条鱼，共240kg，作上记号后，又放回鱼塘．过了两天，又捞出200条鱼，共510kg，且发现其中有记号的鱼只有4条．（1）估计鱼塘中总共有多少条鱼？（2）若平均每千克鱼可获利润5元，预计小江今年卖鱼总利润约多少钱？