请帮我分析3道英语题
问题描述：
请帮我分析3道英语题
1I have no desire other than to lead a quiet life,______from anxiety.
A absentB separate C free D short答案：C
2______to his scientific research,the professor cared little about his family.
为什么是devoted不是devoting
3 Some students remember much knowledge but can't recognize ways to use it in new_______
A conditionsB cases C backgrounds D situations答案：D
答
1.be free from 远离.
2.be devoted to 这个搭配一定要记住,这不是被动,是形容词化的过去分词.在非谓语动词的考查中,省略be 动词,保留过去分词形式.
3.situation 情形,情况.condition是条件,状况.case案例.background背景.