Pag 39 ex 5-8

 Ex 51- b

2-f

3-a

4-e

5-c

6-d

Ex 6

1- free

2- characters

3- low rates

4- landline

5- recipient

6- foreign language

7- settings

Ex 7 1-translate

2- appear

3- allow

4- tweet

5- share

6- navigate

7- Tap

8- activate

Ex 81- Logical

2- You can hear a voice message on your phone

3- Logical

4- You usually use a landline phone inside a building

5- Logical

6- If you're allowed to do something, you can do it.