帮忙回答英语小短文问题阿！急！！！！！！！！！！！！！！！！！！
There are so many colourful lights in the park.Oh,look at them,three red lights four blue ones,five green ones;in the sequence,three red,four blue,five green.What colour is the 2006th light?
answer:( )
参考答案:红的
一个轮回是7个
2006/7=167.1.....
167*7=2004
2006-2004=2
第二个就是红的罗