Ezekbe az angol mondatokba mi illik? Unless, provided, as long vagy if? (4 mondat)

1. ..... that you book your flight early, you will get a seat.

2. You can hire a car in France ..... as you have a driving licence and you're over 23.

3. You can't enter the country ..... you have a passport.

4. The kidnappers won't release the child ..... the ransom is paid.

Köszönöm!

Írtam neked privit ha nem baj.