There are many cities _________________ very fast

The ski resorts are usually crowded． There are many people________skiing．

29．__________ when you are on the bus or bike．

There are many ________ in the port

There are many inconveniences that have to be_________ when you are camping.

1． There are many clouds coming，it_________ rain soon．

8． There are many tall buildings on ___________sides of the street．

How many rooms are there altogether in the tower buildings?There are altogether ____ rooms.

There are many trees on ______ side of the street

In Beijing there are many sites of historical interest _____.

There are different forms of energy, _____ come from the sun.

There are different forms of energy, ______ come from the sun.