Ответ:

3.

1. isn't working

2. smell

3. find

4. are going up

5. Do you believe

6. he's feeling

7. meet

8. don't understand

3. grammar in use

1. know

2. Do you use

3. cost

4. are doing

5. am not doing

6. don't need

7. is

8. is looking after

Объяснение: