5 Complete the sentences about the video with the modal verbs below. can't could don't have to have to might must shouldn't 1 You have to take plenty of money on these holidays. 2 You travel alone when snowmobiling - it's not a very good idea. 3 You do the hot-air ballooning more cheaply with other people. 4 You annoy people doing jet skiing, so don't do it for long! 5 lt be that difficult to do snowmobiling - I bet it's really easy. 6 lt be beautiful to be up in a balloon looking at those views. 7 You go to Iceland to do snowmobiling - there are lots of cold places!