I.1b books
2d machine
3a watched
4d thought
5b little
II.6d will we
7b because
8c do
9c who
10c writing
11d can take part
12b to go
III.13b does he
14b off
15a seeing
16a won't make
17d which
18a although
19c will you
20d interesting
21d pollution
22c shortage
23d suggest
24b who
25b lived
26b so
27b putting
28c won't they
29b asking
30b to do
IV.31d tornado
32b the heavy fog in London in 1952.
33c for six days
34a heavy rain
35b. Because of the windy weather.