the north of USA为什么这里的USA前面不加the为什么

the north of USA为什么这里的USA前面不加the为什么 Canada lies ( ) the north of the USA Canada is north of the USA 有没有错? the train is going north对吗?若不对,那么north应换为什么?（northern ,in north ,of north ） The zoo is north of the school 为什么north of 前面不用ln 1.Canda lies ( )the north of the USA A.at B.in C .from D.on要有解析 the mountains north of Russia live on the north of China这句话不是没有宾语吗 现在为什么又说the north of China是on的宾语了 Russia live on the north of China这句话不是没有宾语吗 现在为什么又说the north of China是on的宾语了 one third of the students( )from（ ） A.is;the north B.is;north C.are;the north D.are;north为什么选C? The Great Wall is north of Beijing.为什么不能用in north where is the hospital?----it is about 500meter ---the schoola.north of b.in the north of c,the north of d.in north of选什么为什么 in the north of,on the north of,to the north of的区别 As soon as they ( )the north of the USA and Canada,they lay eggs.Then they die .A.get B.get to C.got to 选哪一项 what happened in the street这句话正确吗what has hpaaened at the forest of the usa in the last 350years?还是what has hpaaened to the forest of the usa in the last 350years?为什么 Russia is ( )China Ain the north B the north of C on the north of Dto the north of in the north of 与to the north 区别 USA's neighbors are Canada to the north and Mexico to the south为什么用介词to 不用介词on呢?