The water is too dangerous. We can/can't go kayaking here

1. The water is too dangerous. We can/can't go kayaking here.
2. The canyon is beautiful. We should/shouldn't go hiking there.
3. The bus comes in five minutes. We can/can't go back to the campsite.
4. We should/shouldn't take the bus. It's too slow. Let's go by train.
5. We can/can't stay at this campsite. It's closed.
6. We should/shouldn't go hiking today. It is raining very hard.

7. You should/shouldn't go to the beach. It really is very beautiful.
8. What can/need we do in Đà Nẵng?
9. We need/should to bring a pillow because the campsite doesn't have any
10. It's very cold at night so/don't bring a jacket.
11. You should/can't swim in that water. It's very dangerous.
12. The campsite has food so/should we don't need to bring any.