Having a trip abroad is certainly good .abroad是副词在这里修饰什么呢?

Having a trip abroad is certainly good .abroad是副词在这里修饰什么呢? 英语单项选择则 求教Having a trip abroad is certainly good for the old 英语6.Having a trip abroad is certainly good for the old peopl Having a trip abroad is certainly good for the old couple ,b 英语:分析句子结构,并翻译:having a trip abroad is certainly good for the 英语翻译Having a trip abroad is certainly good for the old coupl 分析英语句子Having a trip abroad is certainly good for the old cou Having a trip abroad is certainly good for the old couple,bu Having a trip abroad is good for the old couple,but it remai Having a trip abroad is certainty good for the old couple,bu Having a trip aboad is certainly good for the old couple,but Having a trip aborad is certainly good for the old couple,bu