they started off()an autumn afternoon A during B at C in D on为什么写_英语解答

they started off()an autumn afternoon A during B at C in D on为什么写出来

人气：341 ℃　时间：2019-08-20 15:39:41

解答

答案：D
在具体某一天的上午、下午和晚上用介词on.

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