跖趾关节炎症怎么治疗:高中英语题 说下原因
来源:百度文库 编辑:高考问答 时间:2024/05/08 17:56:40
it happened ____(rain) when we went to the park
to rain.
happen to do sth. 碰巧做某事。
it happened ____(rain) when we went to the park.
it happened to be raining.碰巧正在下雨。
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来源:百度文库 编辑:高考问答 时间:2024/05/08 17:56:40
to rain.
happen to do sth. 碰巧做某事。
it happened ____(rain) when we went to the park.
it happened to be raining.碰巧正在下雨。