cars and buses can only move slowly when there is a lot of this on the roadcars and buses can only move slowly when there is a lot of on the roadscars and buses can only move slowly when there is a lot of this on the roads中的this指什么?选项为:swans,traffic,a book,a lamp,chopsticks。比如举个例子:you take it when you are not feeling well,which helps you feel better.答案是medicine(药).再举个these insects have beautiful wings and fly from one flowers to another.答案butterflies。

问题描述:

cars and buses can only move slowly when there is a lot of this on the road
cars and buses can only move slowly when there is a lot of on the roads
cars and buses can only move slowly when there is a lot of this on the roads中的this指什么?选项为:swans,traffic,a book,a lamp,chopsticks。比如举个例子:you take it when you are not feeling well,which helps you feel better.答案是medicine(药).再举个these insects have beautiful wings and fly from one flowers to another.答案butterflies。我觉得选项中没有对的,(不是翻译啊)
是traffic。谁先回复我给谁采纳为最佳答案

当有很多时汽车和公共汽车只能慢慢地移动时在公路上行驶

ice , snow , water 都可以吧。

traffic 啦,路上交通堵塞时车得慢慢走,就是这个意思了

当公路上有很多汽车和公共汽车时。它们只能缓慢行驶。