Ответ:

1. Where are Tom and Nick now? - They are having a smoke

2. I'm looking. Are you having

3. are moving, is appearing, is getting

4. What magazine are you reading? - it is

5. Are you joking?

1. changed, brushed

2. waited, arrived

3. did you read (нач. форма)

4. washed

5. where did you buy