SB B2 On Screen revision activities (p 48;49; 50) B1 level

SB On Screen B2 p 48 ex 3 question 2

SB On Screen B2 p 48 ex 3 question 4

SB On Screen B2 p 49 ex 4 question 1

SB On Screen B2 p 49 ex 4 question 3

SB On Screen B2 p 49 ex 4 question 5

SB On Screen B2 p 49 ex 4 question 7

SB On Screen B2 p 49 ex 4 question 9

SB On Screen B2 p 49 ex 5 question 2

SB On Screen B2 p 49 ex 5 question 4

SB On Screen B2 p 49 ex 5 question 6