Complete the sentences, using if or unless.

Let's complete the sentences using 'if' or 'unless'. 1. We can't play golf if it stops raining. 2. If they beat this team, they will win the tournament. 3. You can't go skydiving unless you're afraid of heights. 4. If it rains, the match will be cancelled. 5. We can go to the football game if it's on Friday, 6. Unless you're over 18, you can't enter the competition. It's just for adults.