Having a trip abroad is certainly good for the old couple ,but it remains ____ .
题目
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.
答案
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 .
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