——Alvin, 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：句意：艾文，你会和我们一起来吗？我很想去，但是一些没有预料的事情已经发生了。e up发生，出现，根据语境可以判断出句子要用现在完成时，故选A.