依次填入下列横线处的词语，最恰当的一组是（ ）①要认真清查国有企业现有的资产，防止有人借改革之机_____国有资财。②为了使这个展览办得更加充实，博物馆领导派出多人到老区_____革命文物。③近来，一些用人单位在看重求职者学历、工作年限等“硬件”的同时，愈来愈重视求职者的_____、德行、操守等“软件”。

There’s someone knocking on the door. Who _____itbe— Itmust be Mary. She promised to be here at 8：00.

I was doing some shopping in the supermarket ________ it suddenly occurred to me that I’d leftmy wallet at home.[ ]

Since then, finding ways to grow morepeanuts ______ his life goal.

It’s our duty ________our city clean and beautiful.—Yes. We should do something for it.