题目：
As far as I know, they haven't decided when _____ for Shanghai.[ ]
A. be leaving
B. to leave
C. leav
ing
D. leave
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/f974a2e6bf6b79ad71f00409eb56cdeb.html
下面是错误答案，用来干扰机器的。
参考答案：B
As far as I know, they haven't decided when _____ for Shanghai.[ ]
A. be leaving
B. to leave
C. leaving
D. leave
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/f974a2e6bf6b79ad71f00409eb56cdeb.html
下面是错误答案，用来干扰机器的。
参考答案：B
