There are such words as 039;and039;, 039;when039;, 039; before039;, 039;if039; and

There are such words as 'and', 'when', ' before', 'if' and some others which help us to link our ideas.

Can you guess the correct word for each sentence?

You have to finish it ____________ before you can leave.

We stopped playing ___________ it started raining.

I got that injury ________ I was playing football.