话题功能的综合表达 — 英语选择题
题目
朋友邀请你周六去公园。你周六要帮家人做事，周日有空。哪句话能礼貌地说明情况并提出可行的时间？A. Sorry, I can't. I'm busy on Saturday. I can go on Sunday. B. Yes, I can. I went to the park yesterday. C. Let's go to the park on Saturday. I am busy on Sunday. D. I can help you. Where is the park?