Complete the sentences with should(n't), can('t) or (don't) have to. 1. I think everyone _______ travel for a year before university. It's brilliant experience. 2. In the UK, children _______ stay at school until they're sixtee...

Complete the sentences with should(n't), can('t) or (don't) have to. 1. I think everyone _______ travel for a year before university. It's brilliant experience. 2. In the UK, children _______ stay at school until they're sixteen. It's the law. 3. Young people in my country _______ do military service. It stopped last year. 4. In my opinion, people _______ come to work in jeans. It looks really bad. 5. In the US, you _______ vote in presidential elections untill you're eighteen.