IV. Answer following questions. 1. Are the children sleeping? Yes, .... 2. Do your friends like sport? Yes, .... 3. Are your parents watching TV? No, .... 4. Do you travel often? Yes .... 5. Is your mother cooking? No, ...

1. Are the children sleeping? Yes, they are.
2. Do your friends like sport? Yes, they do.
3. Are your parents watching TV? No, they aren't.
4. Do you travel often? Yes, I do.
5. Is your mother cooking? No, she isn't.