4. Are your parents at home now? Yes, they are.

5. Does he have breakfast at 6 o'clock everyday? Yes, he does.

6. Are you a good student? No, I am not

7. Do I look well? No, you aren't.

8. Is Ms Van a good teacher? Yes, she is.

X.

1. I'm doing my homework.

2. Bella's talking on the phone.

3. We're listening to CDs now.

4. The children are riding to the park.

5. It's raining very hard now.

6. She's baking a chocolate cake.

7. You're dancing very beautifully.
8. Mark and his friends are having lunch.

XI.

1. aren't helping

2. isn't staying

3. am not travelling

4. aren't studying

5. aren't playing

6. isn't watching

7. aren't talking

8. isn't shining

XII.

1. am looking

2. know

3. are doing

4. plays

5. am listening

6. watches

7. are studying

8. doesn't do

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