Exercise 23. Somebody is coming to St. Petersburg. What should they see and do? Use should and ought to.

1.  come during white nights

2.  stay at least for a week

3.  book a room in advance

4.  choose a hotel in the centre of the city

5.  go to the suburbs such as ...

6.  buy souvenirs in the largest department store

7.  sail in a water tram along rivers and canals

8.  have a night walk along the embankment

9.  visit the world famous museum Hermitage