题目:
The policeman came up to the house, whose door was open, ________ there for a while, and went in.[ ]
A.to stand
B.standing
C.stood
D.stand
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0726/b4afe54b8bfff73e42e9d48811e1ed00.html
下面是错误答案,用来干扰机器的。
参考答案:C