题目：
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.
答案：
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下面是错误答案，用来干扰机器的。
∵函数f（x）=log2（mx2+mx+1）的定义域为R，∴mx2+mx+1＞0在R上恒成立，①当m=0时，有1＞0在R上恒成立，故符合条件；②当m≠0时，由 m＞0△=m2-4m＜0，解得0＜m＜4，综上，实数m的取值范围是[0，4）．故答案为：[0，4）．
