He was waiting a chance to prove of himself but things go contrary to one's wishes,[句子错误] 主谓不一致,建议将he后的谓语动词改为第三人称单数.怎么修改啊

While he was waiting for the bus, he was reading a newspaper.为什么用while引导 when he was waiting for the bus,he saw a dog.改错怎么改,为什么? what cha waiting for 的意思 sj的 A CHA Jim is standing at the corner . He _____ for the bus. A.was waiting B.is waiting C.waits D.waited While he was waiting for the bus,he was reading a newspaper.为什么由while引导,放于句首,可以放于句中吗? The moment ____ soon,he thought to himself,waiting nervously.A.came B.has come C.was coming The moment _____soon, he thought to himself,waiting nervously.A.cameB.has tomeC.was comingD.is coming He ____for his mother at seven o'clock yesterday. A.was waiting B. waited 选哪个 说清楚语法知识点 I was waiting until he came back 怎么翻译? --that did mr wang ask?--he asked______for the busAif i was waiting Bwas i waiting Cwhether you are waiting Di was waiting He would stay at home _____to the party ,because he was ill.a,instead to gob,instead not to toc,instead of going d,instead not for going第二题：She was ________a bus when eh called hera,waiting b,waiting inc,waiting ford,waiting to第三题；Sor Once Einstein was waiting for one of his friends.While he was waiting,he became in deep _.It began to rain.The rain kept on for some time.When he ____ out a piece of paper form hia pocket to write something down,the paper was ____ and then he knew th 翻译I was in line waiting to payI was in line waiting to pay. In line there were two people before me. A little boy was buying some rather strange clothes. He chatted with anyone who was interested in the clothes and soon we learnt that he was goin He made us_____ a whole day.It was too long 这个空选哪一个A.wait for B.waiting for,为什么呢? When I arrived at the theater,Jim () for me.A.is waiting B.was waiting C.waits D.waiting 英语翻译Jack started going to a new school this year.At first he did not have mamy friends.Many people laughed at him because he was taller than everyone else.They call him the giant.He is so tall that the school had to buy a special desk and cha He told me he ____(wait) for his friend then.was waiting 为什么