试题题干
Translate the following sentence into Chinese.
Seeing-eye dogs learn never to cross a busy road when cars are coming, even if their masters command them to do so.
参考答案
试题解析
考点：seeing-eye dog导盲犬；cross a busy road横跨川流不息的马路；even if即使；command命令。
句子结构：主句为Seeing-eye dogs learn never to cross a busy road，when cars are coming为时间状语从句，as if···为让步状语从句。