Shenzhen is a very ( )city.It has a lot of tall ( ).There ar

Shenzhen is a very ( )city.It has a lot of tall ( ).There are many ( )living in Shenzhen.Most of them are busy.The weather here is not the beach and_______in winter.It never snows,but it's ______in snmmer.We can go to the beach and______in the sea.