27 D
28 A
29 A
30 C
31 C
33 B
34 D
36 D
37 D
38 D
39 C
40 B
41 D
42 D
43 C
44 D
45 D
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word form
1 conservations
2 solar
3 distinguishes
4 inconsiderate
5 satisfiedly
6 deforestation
7 Conserving
8 Congratulating
9 sunny
10 consumer
11 beautifully
12 discoveration
13 abruptly
14 polluted
15 distinguishes
16 electricity
17 naturally
18 inconsiderate
19 slavery
20 polluted
21 disappointing
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