Question

【题目】Having a trip abroad is certainly good for the old couple, but it remains ______whether they will enjoy it.

A. to see B. seeing

C. seen D. to be seen

Answer 1

【答案】D

【解析】句意：去国外旅行对老年夫妻当然是有好处的，但是他们是否能享受旅行还有待考察。remain to be seen 尚不确定，说不准，拭目以待。故选D。