7. Match the underlined part of each sentence (a-d) with the correct meaning (1-4).

a) They can have a break between periods for ten minutes.

1) It isn't necessary for them to...

b) They can't use alcoholic drinks.

2) It's necessary for them to...

c) Players have to follow the rules.

3) It's OK for them to...

d) They don't have to wear heavy

4) It isn't OK for them to...
clothing.​