阅读下面的对话，根据对话内容补上所缺的词语，使对话意思完整。
Mary: Hello. Could I speak to Rose please?
Rose: Speaking. Oh, it's Mary.
Mary: Yes. Rose, I made a birthday 1 for you.
Rose: You made it! What is it?
Mary: I'm not telling you 2 I bring it to your birthday party next week.
Rose: Let me guess. What color is it?
Mary: Um...it's green and blue.
Rose: So what 3 is it?
Mary: Rectangular(长方形),I suppose.
Rose: Hmm. And, how big is it?
Mary: Oh, about 40 centimetres wide and 2 metres long.
Rose: Really? How heavy is it?
Mary: I'm not sure. Less 4 a kilo?
Rose: And what's it made of?
Mary: Silk.
Rose: Oh, I see. It's a scarf(围巾). You're so 5 , Mary. Thank you very much.
Mary: You're welcome!
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