There is a long road to go.为什么要加a?我没有加a结果给判错了,但我一直不明白为什么还要加a,没有a是句子缺了什么成分吗?

Love Is A Long Road 歌词 There is a traffic ( ) on the road. There is a shopping centre _____River Road 翻译when there is a road,there is a will There is a long r______ there. translate into ChineseI'm disappointed,but we will work with great humility.The road is long and there is a lot of potential. 英语定冠词用法There is _ 800-meter-long road behind _ hospital.A a/the B an/the 改选哪个 1. There is ________ 800-meter-long road behind _________ hospital.填冠词 a long walk 和a long road There is a long way to go. There is still a long way! it's a long road LONG LONG AGO ,THERE IS A 求人翻译 there is a sign standing along the road (5)met at the 什么 the road ,there is a supermarket there is a bank __ __ __ __the road Life's long road,there will always a few steps wrong. Is there much traffic on the road?还是Is there a lot of traffic on the road?