Shanghai was/is the first city to+...was/ is两种情况时后面的内容怎么区分?

Shanghai is the city where I was born,为什么用where,不用which,where不是做状语吗?在这个句子里,where修饰,Shanghai Shanghai Shanghai was/is the first city to+...was/ is两种情况时后面的内容怎么区分? What____ the weather like in Shanghai now.A.is B.does C.has D .was Tom is one of the four boys who ____ born in Shanghai.这里用were还是was?呢 这句话有什么语法问题吗?Although Shanghai is not the best city in the world ,it is always theAlthough Shanghai is not the best city in the world ,it is always the most important one in my heart.Because Shanghai is the place where I was born shanghai is in the e( ) of china Beijing is the c____ in Shanghai. Shanghai is the bread of China. 翻译：The plane is leaving for Shanghai. Shanghai is to the ___of Hangzhou Shanghai is in the bread of China Shanghai is()the east of our country 英语翻译I heard Shanghai is beautiful.还是i heard Shanghai was beautiful The Shanghai-Pudong Express is the fastest train in the word.用The Shanghai-Pudong提问 shanghai is the biggest city in China.同义句.shanghai is()than()()()the cities in China the girl is from shanghai改为同义句the girl is _ _ shanghai 麻烦看下这篇文章哪些地方有语法错误 At first,let me introduce myself.My name is jack,I’m 24 years old.I was born in shanghai.Shanghai is a very modern city.I love Shanghai ,but the traffic is so terrible in shanghai .Today,I will te Was the watch made in Shanghai?是什么时态