I
1, d – are
2, b – box
3, a – can
4, c – quite
5, b – flood
6, b – great
II
7, A -> Has
8, D-> Is
9, C -> up
III
10, a – stupid
11, d – measles
12, c – Some of the children
13, b – so lazy that
14, c – ours
15, c – iron
16, a – himself
17, b – tell
18, a – hundreds
19, b – are being
20, d – make
21, d – to be quiet
22, a – her skirt costs
23, a – to consider
24, b – when
25, c – pulling
26, b – too/to
27, a – such a
28, d – needn’t
29, a – to run
30, b –solve
31, d – going
32, b – repaired
33, c – to
34, c – to change
35, d – prettiest
36, c – to take
37, a – to know
38, b – way
39, c – the most
40, b – most about
41, a – to hear
42, b –after
43, c – mustn’t
44, b – rather
45, c – since
46, d – solving
47, b – beautiful
48, b – reads
49, b – have been
50, d - between