Explicație:
Are you waiting for your friend? Yes, I am
Is Jenna playing tennis? No, she isn't.
Are your parents working today? Yes, they are.
Is he buying new trainers? Yes, he is.
Are the students doing the test now? No, they aren't.
1.Are you waiting for your friend?
Yes, I am.
2.Is Jenna playing tennis?
No, she isn't.
3.Are your parents working today?
Yes, they are.
4.Is he buying new trainers?
Yes, he is.
5.Are the students doing the test now?
No, they aren't.
