I was doing the house work while he was just sitting there reading the newspaper.这个句子中reading 为什么read后要加-ing 形式啊

宾语从句中的引导词指物时且做介词的宾语时用that还是which书上说 The hous that I was born in is gone一种形式 There was a car in front the hous just now.的否定句和一般疑问句 I was bored with doing the same thing every day I was doing the home work( )my was cooking括号内可填when么? the policeman asked me ____at this time yesterday.A what was i doing B what did i do C what I was doing D what I do I was in charge of grading all the assigned homework.I never had trouble [doing] it,为什么是doing it? When I was doing my homework ,I heard someone (knock) at the door. i was three years old when i started doing the things 对three years old 提问 i soon found that the work i was doing had akready been done by someone else. that后面是什么从句?i was doing 又是什么成分? I’ll go to the library as soon as I finish what IA.was doing B.am doing C.have done D.had been doing i was ___ seventy when i was on the highway.A.going B.doing C.speeding D.starting I was doing my homework and forgetting the time.I was too busy.哪里错了为什么 对划线部分提问i was doing my home work (the whole morning)______ _______ _______ you doing your homework? i was doing my homework (the whole morning)对括号内提问_______ ________ _______ you doing your homework? 1.I ____my homework and forgot the time .A.did B.was doing C.do D.am doing 英语翻译1、I was doing my homework when my mother did the housework.2、I was doing my homework when my mother was doing the housework.哪一个对啊? 英语---连词成句 doing,yesterday,morning,I,on,the playground,was,morning exercise I was doing my homework when he is ___ (clean) the house