Choose the correct alternative to fill in each gap in the sentences. 1. you should / will be able to try to visit scotland instead of australia. it will be better. 2. we are going on a package tour, so we needn't / shouldn't make a hotel reservation. 3. in some countries you couldn't / needn't pay to visit public museums. 4. if you want to take photos while you are going round the exhibition, you should / was able to ask a permission. 5. we needn't / wasn't able to spend a long time in the museum if it's not interesting.