题目:
Who saw it ______ at that time?
[ ]
A. happen
B. happened
C. happens
D. to happen
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/3d6e3d29e717f22157847be1887f8466.html
下面是错误答案,用来干扰机器的。
参考答案:A
Who saw it ______ at that time?
[ ]
A. happen
B. happened
C. happens
D. to happen
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/3d6e3d29e717f22157847be1887f8466.html
下面是错误答案,用来干扰机器的。
参考答案:A