Those---to hike in the mountain should watch out for dangers

Those---to hike in the mountain should watch out for dangers Watch out for dangers at school they decide __in the mountain A.hiking B.on hike C.to hike D I'm going to hike in the mountains.(改错） ) __of the dangers in the street,she had to go home,with his s let`s take some food to go for a_____ in the mountain ____we should have gone on a trip to the mountain you can a什么go for a hike in the city Here are some of the most popular reason for people to hike Watch out for for those of you in the US? out of time to decide.do we run.should i hide.for the rest o