请根据语境,填写以下对话所缺的打电话用语。 1) Who is speaking, please? Leena: Is it 223-5467? John: Yes. Who is 1._____ please? Leena: This is Leena Kr i eg. May I 2._____ to Bill Morgan? John: Oh, I’m sorry. He’s not in at the 3._____ . 2) May I speak to ... ? Joe: Hello. Is 4._____ the Chemistry Department? Secretary: Yes, it is. What can I do for you? Joe: May I speak to Mr. Mifflin? Secretary: 5._____ , please. 3) Can I take a message? Sam: Hello. This is Sam. May I speak to Terry? Lucy: I’m sorry, but she’s not here right now. Can I take a 6._____ ? Sam: Yes. Please tell her to call me this evening at 653-8923. Lucy: OK. I’ll tell her 7._____ she gets home. 4) Can you tell me your hours? Receptionist: Hello, the Art Museum. Can I help you? Jake: Yes. Can you tell me ... er, what are the 8._____ , please? Receptionist: We open at ten in the morning and 9._____ at five in the afternoon. Jake: Great. Thanks a lot. 5) I Must have d ialed the wrong number. Tim: Hello. Jade: Hello. I’d like to speak to Dr. Heckler. Tim: Nobody here by that name. Jade: I’m sorry. I must have 10.____ the wrong number.