阅读对话，根据横线后所给标点符号的提示，在横线上填写适当的句子，使对话完整。
A: Good morning, Sue. Did you enjoy your holiday in the country?
B: Yes,小题1: ________. And some friends went with us.
A: Where did you stay?
B: In a hotel. And we could enjoy the beautiful scenery from the window.
A:小题2:________. What was the weather like?
B: The sun shone nearly every day and it didn’t rain at all.
A: Did you like the people there?
B: Yes, they were great. We met some farmers and had some food in their houses.小题3:________? Did you have a good weekend?
A: Yes. But I just stayed at home.
小题1:we had a great time.
小题2:Sounds good
小题3:How about you?
题目分析：
小题1:针对对方的询问及答语Yes，可知，后面进一步描述玩的开心；故答案为we had a great time.
小题2:针对对方的说法And we could enjoy the beautiful scenery from the window.进行回应，故答案为Sounds good
小题3:最后A描述玩自己的周末后进一步反问B的周末过得怎么样，所以用你呢，故答案为How about you?
2MgSO3+S；丙同学的推测是：3Mg+SO2