71c who
72a which
73a whose
1 The man whom I shouted at didn't come back again
2 The television which i dropped never worked again
4 The clothes which she bought were beautiful
5 The wall which we built fell down after three weeks
6 The policeman whom I asked wasn't very helpful
7 I didn't really like the car which we bought
8 I lost the money which I borrowed from John
9 She is the most intelligent that I have ever met
10 This doctor whom you visited yesterday is famous
51b who he
52d which he
53c whose
54d which
55b whom
56a which
57c why
58d that
59d that
60c which
I.1 heavier
2 bigger
3 more beautiful
4 better
5 safer
II.6. hotter
7 more dangerous
8 happier
9 more expensive
10 more boring