The city ( )he was born in changed a lot.A that B where选哪一个?为什么?再解释一下从句的引导词的相关语法.有没有具体点的？为什么不用where?

He-------------（know）the city since he was very young. 翻译He was living in the city of Corbin,Kentucky he and his uncle() away from the city for two days A is b are c was d were Xi’an was the last city ______ he visited in China.A.where B.which C.that D.in which It was the first time for the village boy tolive in the city and he was st( )to city life. the important officer didn't find that the man was the one whose lecture he was flown to the city to hear until he reached the city. Not only __ polluted but __ crowded.A.was the city；were the streets B.the city was;were the streetsC.was the city;the streets were D.the city was;the streets were 为什么不是d或其他选项? he city assigned a policeman to the school crossing because ______ traffic there was so heavy.a. a b. an c. the d. one Mr dong has known the kowloon walled city since he was very young. 对since he was very young提问. he was asked to leave the city and accordingly he went .为什么,尤其是ask什么意思why he was the a ----- hero of the city for having saved a boy form the big fire in the city there was the dentist The whole city was d___in the earthquake . I don't remember where _in that city when he was young.A.did he work B.he worked C.he has workedD.has he worked 根据首字母提示完成所缺单词One day,the American w_____ Mark Twin went to a city b（y） train.He wanted to see a friend of h（is）.He was a very busy man and he often f_____ something.When he was in the train,the conductor asked him to 根据首字母提示完成短文所缺单词One day,the American w＿ Mark TWin went to a city b＿ train.He wanted to see a friend of h＿.He was a very busy man and he often f＿ something.When he was in the train,the conductor asked him f＿ his The whole city was destroyed in the earthquake.A.destroyed B ruined The city was held ____ the enemy . A by B for C on D with