Having a trip abroad is good for the old couple,but it remains seeing whether they will enjoy it.这句话中remain后为啥用"seeing"?(+_+)?不懂~

Having a trip abroad is certainly good .abroad是副词在这里修饰什么呢? abroad在句中是作何成份?表语?用来说明主语吗?原句：Having a trip abroad is certainly good for the old couple. 英语造句take a trip abroad 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. Having a trip abroad is certainly good for the old couple,but it remains__whether they will enjoy iA to seeB seeingC to be seenD seen Having a trip abroad is certainly good for the old couple,but it remains (see)whether they will enjoy it.添see的有关格式,为何? 英语6.Having a trip abroad is certainly good for the old people6.Having a trip abroad is certainly good for the old people,but it remains _____ whether they will enjoy it.a.to see b.to be seen c.seeing d.seen为什么 英语翻译Having a trip abroad is certainly good for the old couple,but it remains ___whether they will enjoy it.A to see B to be seen C seeing D seen2 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? Having a trip abroad is certainty good for the old couple,but it remains _____ whether they will enjoy it.A.to see B.to be seen C.seeing D.seen答案是B为什麽 Having a trip abroad is good for the old couple,but it remains seeing whether they will enjoy it.这句话中remain后为啥用seeing?(+_+)?不懂~ 英语:分析句子结构,并翻译:having a trip abroad is certainly good for them,but it remains to be seen whether they will enjoy it.为什么用to be seen? He has （ ）abroad for a trip for a week.A,gone B,been 连词成句 a,we,trip,are,field,having abroad a to iam and enough i trip take going time money have还有一个if abroad a to iam and enough i trip take going time money have 这个off怎么理解?people are better off and can afford a trip abroad He felt bad for ______ a chance to study abroad.a.having not given b.not having given c.having not been given d.not having been given