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A: Hello, this is Mary. B: Hello, Mary. It’s Carl. Listen, I just tried to call your office but you weren’t there. I’m _______ I can’t ________ it for lunch today. A: OK. How about later today then ? _____ 5 o’clock? B: I really don’t think I can. One of my clients said it’s an emergence . I __________ go and check it out. A: No problem. I understand. I’ll see you next week. B: Thanks. Bye.