---Allen, are you ing with us?
---I’d love to, but something unexpected .
A. has e up
B. was ing up
C. had e up
D. would e up
网友回答
(答案→)A. has e up
B. was ing up
C. had e up
D. would e up
解析：e up被提出，出现；e up没有被动形式。根据：你将和我一起去吗？判断这时还未去，没有预料到的事情就已经出现了，e up这个动作与过去没有关系故排除BCD，所以选A。