试题题干
Translate the following sentence into Chinese.
One explanation for this behavior is that, although the postman comes to the house often, he never enters the house.
参考答案
试题解析
考点:explanation解释;behavior行为; postman邮递员;enter the house进入房间。
句子结构:句子主干为One explanation is that,although为让步状语从句。