8.2 Put in am/is/are/do/don't/does/doesn't .
exemplu
1.Excuse me, .do. you speak English?

2 'Have a cigarette.' 'No, thank you, I smoke.

3 Why ...... you laughing at me?

4 'What she do?' 'She's a dentist.'

5 I ....... want to go out. It ........

6 'Where ... you come from?' 'From Canada.

7 How much it cost to send a letter to Canada?

8 I can't talk to you at the moment. I .......... working.

9 George is a good tennis player but he ....... raining play very often.​