many cars on the road is heavy .最后一个单词应该怎么填?提示是单词开头是T,第6个字母是I,由7个字母组成.

问题描述:

many cars on the road is heavy .
最后一个单词应该怎么填?
提示是单词开头是T,第6个字母是I,由7个字母组成.