Решение #
1) и 2) Они отличаются тем, когда идет какая реплика. Где-то обещание идет в начале, а где-то – в конце. Для этой ситуации подходит второй вариант, потому что сестра Билла не уверена, что знает друга брата, а для этого ей нужна информация.
3)
A
Bill: Jane, can you do me a favour, please?
Jane: Yes. What?
Bill: Can you give this book to John tomorrow? I’m not going to school tomorrow.
Jane: OK, I’ll give him this book, but I don’t know John. What form is he in?
Bill: You know him, we study together.
Jane: Oh, really? Is he tall?
Bill: Yes, he’s a tall boy with long dark hair. He’s strong and looks like an athlete.
Jane: OK.
Bill: Thanks.
B
Bill: Jane, can you do me a favour, please?
Jane: Yes. What?
Bill: Can you give this book to John tomorrow? I’m not going to school tomorrow.
Jane: OK, but I don’t know John. What form is he in?
Bill: You know him, we study together.
Jane: Oh, really? Is he tall?
Bill: Yes, he’s a tall boy with long dark hair. He’s strong and looks like an athlete.
Jane: OK. I’ll try to find him.
Bill: Thanks.