试题 试卷
题型：单选题 题类：常考题 难易度：普通
仁爱科普版八年级上Unit4 Our world Topic 3 The Internet makes the world smaller.同步练习
—I can't decide. If I finish my homework, I will.
—Why not? No one is better than you in our class.
—Thank you, but I am not sure ________ I'll be free or not at that moment.
—I really hope you will visit it. It's a good chance to learn about the history of our city.
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