What does the word hear mean in this sentence?

Can you hear the blue birds singing?   

What does the word their mean in this sentence?

The students put their coats in their lockers.    

What does the word  here  mean in this sentence?

Park the scooter here.   

What do the words they're mean in this sentence?

They're studying for the test.   

What does the word to mean in this sentence?

We're going to the lake.  


What does the word too mean in this sentence?

There is too much to do. 
  

What does the word  two mean in this sentence?

We have two projects to do.   

What does the word brake mean in this sentence?

Step on the brakes. 

What does the word  break  mean in this sentence?

We need to take a break from this project. 

What does the word hear mean in this sentence? Can you hear the blue birds singing?