Give short and full answers: 1. Have you ever been to London?
2. Have you ever travelled by air?
3. Have you had any dictations this month?
4. Has Kate revised the grammar rules yet?
5. Have they passed their exams?
6. Have they read much about Great Britain?
7. Have you kept your promise?
8. Has the post come?
9. Have you ever driven the car?
10. Has the lecture begun?

No, I haven't. / No, I have never been to London.Yes, I have. / Yes, I have travelled by air.Yes, we have. / Yes, we have had a few dictations this month.Yes, she has. / Yes, Kate has already revised the grammar rules.Yes, they have. / Yes, they have passed their exams.No, they haven't. / No, they haven't read much about Great Britain.Yes, I have. / Yes, I've kept my promise.No, it hasn't. / No, the post hasn't come.No, I haven't. / No, I have never driven the car.Yes, it has. / Yes, the lecture has begun.