Answer:
1)These nurses are here to help
2)Those pilots are fantastic
3)Those zoo keepers are cleaning the lion cage.
4)This Police officer runs very fast
5)That teacher sings very well!
6)Listen to Those quitarists!
Step-by-step explanation:
You should use:
1)"This" for singular object which is near.
2)"That" for singular object which is in distance.
3)"These" for plural objects which are near.
4)"Those" for plural which are in distance.