1) go
2) is going
3) is riding
4) is
5) are taking
6) are
7) are enjoying
8) is chating
9) exchange
10) are doing
11) help
12) is riding
13) visit
1) than
2)already
3)just
4)as
5) most
6)yet
7)more
8) still
11. This picture is more beautiful than Romeo and Juliet and is movinger than Limelight.
14 . Lucille is slimmer than she was a year ago.
15. Winter in London is foggiest than in Paris.
16. These are the worst sigarettes I have ever smoked.
17. "The best sigarettes in London, 10/—a hundred".
18. If these are the best sigarettes in London, the worst must be terrible.