Test Book by TwinSite Project Students | Page 31

Answer key : 1 b , 2c , 3d , 4a , 5b 6a , 7c , 8d , 9d , 10 b 11e , 12c , 13a , 14c , 15 d , 16b , 17 e , 18 a , 19d , 20 c