依次填入下列各句的成语，最恰当的一组是（ ）①为官很难，因为要想干好事业就要______，倾注心血，甚至“5+2”“白+黑”地加班加点，日夜操劳。②今年因天气影响，双季槐遇到成穗少、大面积减产等问题。雷茂端为此______，正在积极寻求科技突破。③江西省内大大小小200余家老字号，除亨得利、黄庆仁等少数几家著名品牌外，近七成生存困难，______。

The company guaranteed a call-back policy_______their products have any risk in safety.

I wonder if your brother likes to play football. If he does, so _______ mine.

She will stop showing off if no notice_____ of her．

Wei Hua is an _____________ girl.