... 7:A, 8: D, 9:A, 10:C, 11:B, 12: C, 13:C, 14:B, 15:D, 16:D, 17:C, 18: B, 19:B, 20:A, 21:A, 22:D, 23:A, 24:C, 25:C, 26:C, 27:A, 28: c, 29:B, 30:D, 31:D, 32:C, 33:D, 34:A, 35:A, 36:D, 37:C, 38: C, ... B.after C.for D.into 28/ The bomb went…………….with a loud bang which could be heard all over the town. A.on B.up C.off D.out 29/Chemical wastes from factories……………… the rivers in this region. A.prevented ... when we were at school. A.to study B.study C.studying D.studied 43 /- I have bought you a toy. Happy birthday to you!” - ………………………………………………….” A.The same to you B.What a lovely toy! Thanks...