"Camping" practice movie trailer

Today i presented my trailer to the rest of my class and got some of their feedback most of it was positive specifically people liked the throwing knife effect which was also my favourite part too. But when asked "What do you think still needs to be improved?" most answers where along the lines of "The actor wasn't believable he didn't look scared" and "Spelt where instead of were". My trailer was originally going to be based on the trailer for going to pieces and the types of shots and angles used at the beginning show that however I ended up going my own way.