题目内容
用in return for/in turn完成句子。1. I invited him____his kindness.为 了报答他的好心,我宴请了他.2.mShe gave us food and clothing and asked for nothing . 她给了我们食物和衣服,没有要求任何回报.3. Theory is based on practice and____serves practice. 理论以实践为基础,反过来又为实践服务.