A: What do you think I ought to
don't have to( ought to, don't have to ) see in London first?
B: Well, historical places, I think. You should
needn't( should, needn't ) go to Westminster Abbey, and if you can, go to the Houses of Parliament and the National Gallery.
A: And what about the British Museum? I was told one ought to
needn't( ought to, needn't ) see it.
B: I suppose you must
don't need to( must, don't need to ) go there. There you can find masterpieces of the world’s best artists.
A: How can
have( can, have ) I get to the centre?
B: I think you can
might( can, might ) go by steamer down the Thames from Westminster to Tower Bridge. That’s a very pleasant way to travel, and you can
may( can, may ) see London bridges and quite a number of buildings on the way.