1 Yes, I have.
What cities have you been to?
2 Yes, I have.
How many books have you read?
What books have you read?
I have read "Harry Potter…"
3 Yes, he has.
…has he taken?
Ten, I think.
4 Yes, I think he has.
Yes, he has.
What photos has he given him?
В номере А, насколько я поняла, просто даются примеры вопросов для выполнения задания В. Решать там нечего