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all right. C. Not at all. D. Take your time. 5. — Could you do me a favor and take these books to my office? — Yes, . A. for pleasure B. I could. C. my pleasure. D. with pleasure. 6. — Oh, must you? Stay a bit longer. It’s been such fun having you. — , but I’ve got an early start tomorrow morning. A. No problem B. All right. C. thanks any way D. Never mind ?8. — Beijing Airport, please, I’ll be there by ten. — , but I’ll do my best. A. No problem B. All right. C. I can’t promise. D. It’s impossible 9. — Thank you ever so much for the book you sent me. — . (上海 1997) A. No thanks. B. I’m glad you like it C. Please don’t say so D. No, it’s not so good 10.— Go for a piic this weekend. Ok? — . I love getting close to nature. (福建 2020) A. I couldn’t agree more. B. I’m afraid not C. I believe not D. I don’t think so. 11. —