植物神经科:这个题怎么做,为什么这么做?
来源:百度文库 编辑:高考问答 时间:2024/05/07 11:24:09
23. We agreed _________ here but so far she hasn’t turned up yet.
A. having met B. meeting C. to meet D. to have met
A. having met B. meeting C. to meet D. to have met