Complete the sentence with there, it or they:
1._________ are five continets. _________ are Africa, America. Asia, Australia and Europe.
2._________ is someone in the house. Who is _________
3._________ is very wet today and _________ is a lot of traffic.
4.In his class _________ are 12 students but _________ aren't any girls. _________ are all boys.
5.What time is _________? _________ is half past four.
6._________ are some shops in the village but _________ are all closed.
7._________ is cinema but _________ aren't any good fims on.
8._________ aren't any tickets left for the concert. _________ is sold out.
_________要答!