把下面的语句组成语意连贯的一段话，顺序排列最恰当的一项是( )瘦肉精是一类动物用药， 。①将瘦肉精添加于饲料中②可以增加动物的瘦肉量、减少饲料使用、使肉品提早上市、降低成本③有数种药物被称为瘦肉精④例如莱克多巴胺及克伦特罗等⑤各国开放使用的标准不一⑥但因为考虑对人体会产生副作用

My father’s sister is my________.

So involved with computers ____ that the leaders at the summer computer camps often had to force them to break for sports.

Sorry， I didn’t hear you. I to the music.

There were already five people in the car but they managed to take me as well .　　——- It ______ a comfortable journey .