3. (Peter = P ; Sally = S) P:Hello! This is Peter speaking______51_______，please? S：I'm sorry. Professor Johnson is not here at the moment. This is his assistant ,Sally.______52______? P：Yes. Please tell the professor that I* d like to ask for sick leave for tomorrow. S: Sorry to hear that. May I ask______53_______with you? P: I'm running a fever. I've caught a cold. S：0h,________54_______? P：No, not very serious, but the doctor told me to stay in bed and have good rest. S:I see. I'll___55________as soon as he comes back. P：Thank you. Goodbye! S：Bye!
