are you sure they will come back___?A.before long B.long before C_英语解答

are you sure they will come back___?A.before long B.long before C.after some time D.after sometime
我觉得是C啊,可正确答案是A.,

人气：168 ℃　时间：2019-10-19 19:19:04

解答

A
固定搭配,before long 不久后
C some time 的意思是某一时间点,after some time 在某一时间点之后,不如A通顺