以Changes in Shnzhen为题,用there is,there are,there was there we

Shenzhen is quite different now。50 years ago,Shenzhen was a small town。there were no factories。There were no highways。There weren't many people,either。Now,there are a lot of tall buildings in Shenzhen。There are a lot of modern roads and Shenzhen is quite different now。50 years ago,Shenzhen was a small town。there were no factories。There were no highways。There weren’t many people,either。Now,there are a lot of tall buildings in Shenzhen。There are a lot of modern roads and highways。Shenzhen’s traffic always very busy。There are a lot of cars,buses,taxis and trucks。