题目内容：

I think () () to obey traffic rules when () on the road.
I think it is important to obey traffic rules when we drive on the road.

优质解答

I think it necessary to obey traffic rules when trevelling (driving) on the road .
遵守交规不但重要,更是必要.

追问：

为什么？

追答：

法规岂可不遵守？