（2014年安徽省合肥市高三第三次教学质量检测）25. We stayed at the Park Hotel last weekend, ______ a friend of ours recommended to us.

Rose ____________ English since 2002. She’s got a lot of teaching experience.

al evidence began to ______,suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals.

Did you return the book you borrowed from Tom?— Yes, I gave it to him ______ I saw him.

It’s not until no enemies were left that they________ .