初中英语非谓语动词及其解题技巧及练习题(含答案)及解析初中英语非谓语动词及其解题技巧及练习题(含答案)及解析一、非谓语动词1My little brother didnt go to bed until he finished his homework last night.A. doB. doingC. to do【答案】B【解析】【分析】句意:昨天晚上我弟弟直到完成作业才睡觉。finish doing sth完成做某事,故答案为B。【点评】考查动名词的用法,掌握固定搭配。2When you leave, please turn off the lights energy.A. saveB. to saveC. savingD. saved 【答案】 B【解析】【分析】句意:当你离开时请关灯以节约能源。动词不定式表示目的,结合句意,故选B。3一What should we take when going birdwatching? 一 We should take a pair of