the business in shanghai is developed.shanghai is one of the biggest modern city in china.(合并为..

问题描述:

the business in shanghai is developed.shanghai is one of the biggest modern city in china.(合并为..
the business in shanghai is developed.shanghai is one of the biggest modern cities in china.(合并为一句)
____ the developed business,____ is one of the biggest modern cities in china.

Shanghaihas which