Why are you so _______,Amy—I thought I lost my purse, but I didn’t. I found it in my study!

He played the computer game till late last night, ________,early this morning.

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

I’m sorry to have broken your pen. I wasn’t onpurpose.––_______. I’ve got another one.

do you keep your pet dog— I give it some meat and walk it in the park every day.