Someone knocked at your door just now, but I didn't see who _____was. A．this B．it C．that D．one
2023-01-17 01:17:59 37次 2010-2011学年福建省四地六校联考高三上学期第二次月考英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Someone knocked at your door just
now, but I didn't see who _____was.
本题链接：
