Having a trip abroad is certainly good for the old couple,bu
Having a trip abroad is certainly good for the old couple,but it remains____ whether they will enjoy it.(NMET2002) A.to see B.to be seen C.seeing D.seen 为什么选B?
金山词霸2009解释:: 习惯用语 remain to be seen used to express the notion that something is not yet known or certain 尚待见分晓 she has broken her leg, but it remains to be seen how badly. 她把腿摔断了,但有多严重还有待了解。