句型转换It happend that I was outdoors when the fire broke outI --- -_英语解答

句型转换It happend that I was outdoors when the fire broke out
I --- ---- ---- outdoors when the fire broke out

人气：370 ℃　时间：2020-01-14 13:07:24

解答

happened to be
happen to是碰巧的意思,后接动词原形,且此题为过去时,所以用happened to be.