It was not _____ they came back.A.long before B.before long C.lon_英语解答

It was not _____ they came back.
A.long before B.before long C.long time before D.long after

人气：228 ℃　时间：2020-04-20 17:27:23

解答

A,这个要怎么解释?字面意思就很好理解了,在他们回来之前时间不多了