下面你将听到5个句子, 请根据听到的句子，选出最恰当的答语，将其序号填入题前括号内，每个句子读一遍。 

(   ) 1. A. It’s Sunday today.   B. It’s cloudy.           C. It’s June 22.

(   ) 2. A. Class One.            B. Grade Three.            C. Row Two.

(   ) 3. A. My pleasure.          B. Thank you.              C. Don’t mention it.

(   ) 4. A. Yes, please.          B. Good idea!              C. No, I don’t.