Вот ответы на упражнение 3, используя форму Future Simple (will + глагол):
1) The tourists **will go** wind-surfing to the coast tomorrow.
2) What time **will** the instructor **teach** us to make fire in the forest?
3) I don't think we **will take** a quad bike. It's too dangerous.
4) You **will drive** the coach to the seaside. Hurry up!
5) They **will play** paintball if the weather isn't rainy.
6) The kids **will climb** walls in the camp.
7) They **will worry** about it if they don't make a try.
8) My parents **will learn** scuba diving next summer holidays.
9) Ann and Mike **will do** a plunge tomorrow morning.
10) I **will miss** fencing at the club next week.