X/

1. i am doing my homework

2. bella is talking on the phone

3. we are listening to CDs now

4. the children are riding to the park

5. it is raining very hard now

6. she is baking a chocolate cake

7.you are dancing vert beautiful

8. mark anh his friends are having lunch

XI/

1. are not helping

2.isn't staying

3.am not traveling

4. aren't studying

5. aren't playing

6. isn't watching

7. aren't talking

8.isn't shining

X)

1 . I am doing my homework 

2 . Bella is talking on the phone

3 . We are listening to CDs now

4 . The children are riding to the park

5 . It is raining very hard now

6 . She is baking a chocolate cake

7 . You are dancing very beautifully

8 . Mark and his friends are having lunch

XI)

1 . are helping

2 . is staying

3 . am traveling

4 . are studying

5 . are playing

6 . is watching

7 . are talking

8 . is shining