Although the heater ( )[be] on ,the room ( )[not be] warm

问题描述:

Although the heater ( )[be] on ,the room ( )[not be] warm

Although the heater ( )[be] on ,the room ( )[not be] warm原句没有给时间,也没有上下文,因此,此题答案不唯一:Although the heater 【 is 】[be] on ,the room 【is not】[not be] warm尽管现在加热器开着,但是房...