Again and again the doctor _____ the crying girl, but he couldn’t find out what was wrong with her.

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

House prices are usually high famousschools lie

You can’t predict everything. Often thingsdon’t _____ as you expect.

Shall we go and have a picnic at the weekend— ______. According to the weather forecast, theremight be a cold front by then．