1) What a cold weather!
2) What a difficult subject!
3) What a funny face!
4) What good friends!
1) My friend has never been to Moscow.
2) Helen has just come back from St Peterburg. How did she get there? - She went by plane
3) Yesterday I watched a very good film. - "The Matrix"? I have already seen it
4) Have you ever been to London? - Yes, I was there last year in summer.