Dialogue completion: Choose A, B, C or D to complete each dialogue. Trả lời cho các câu 615, 616, 617, 618 dưới đây: Câu 615: Mark sees his...

Dialogue completion: Choose A, B, C or D to complete each dialogue.

Trả lời cho các câu 615, 616, 617, 618 dưới đây:

Câu 615:

Mark sees his colleague, Sarah, struggling with a heavy box of documents.

Mark: That looks heavy. Do you need a hand with those files?

Sarah: ________________

A. Not at all, I’m busy now.

B. That’s very kind of you, if you don’t mind.

C. You’re welcome, I can manage.

D. It’s a bit complex, but I’ll try.