8.3 Put the verb in the present continuous (I am doing) or the present simple (I do).

Solution:

1. Excuse me, do you speak (you/speak) English?
2. 'Where's Tom?' He's having (he/have) a shower.
3. I don't watch (I/not/watch) TV very often.
4. Listen! Somebody is singing (sing).
5. Sarah is tired. She wants (she/want) to go home now.
6. How often do you use (you/use) your car? Every day?
7. 'Excuse me, but are you sitting (you/sit) in my seat.' 'Oh, I'm sorry!
8. I'm sorry, I don't understand (I/not/understand). Can you speak more slowly?
9. It's late. I'm going (I/go) home now.
10. What time does your father finish (your father / finish) work every day?
11. You can turn off the radio. I'm not listening (I/not/listen) to it.
12. 'Where's Paul?' 'In the kitchen.' He's cooking (he/cook) something.
13. Mark usually walks (usually/walk) (not/usually/drive) to work. He prefers (she/prefer) tea.
14. Sue doesn't usually drive (usually/drive) to work. He (she/prefer) tea.