Having a trip abroad is certainly good for the old couple ,but it_英语解答

Having a trip abroad is certainly good for the old couple ,but it remains ____ .
A.to see B.to be seen C.seeing D.seen
求详解.

人气：299 ℃　时间：2020-05-12 12:23:25

解答

B
这是一个常用语：it remains to be seen 什么还有待观察.
remain表示仍、依旧.相当于be still .