1. Are they reading magazines?
Yes, they are.
2. Is Maria surfing the Internet? No, she isn't.
3. Are you learning English? Yes, they are.
4. Is it raining today? No, it isn't.
1. Are they reading magazines?
Yes, they are.
2. Is Maria surfing the Internet? No, she isn't.
3. Are you learning English? Yes, they are.
4. Is it raining today? No, it isn't.