Test Book by TwinSite Project Students | Page 232

ANSWER KEY :
1-B
5-C
9-E
13-B
17-E
2-D
6-A
10-B .
14-C
18-C
3-C
7-B
11-C
15-D
19-B
4-D
8-D
12-A
16-A
20-C