填空题

The coal provides energy to power the (heat) ______ system of hospitals.

【参考答案】

heating
<上一题 目录 下一题>
热门 试题

填空题
Which one of the two men could speak English
单项选择题
A．7:00B．10:00C．8:00D．8:30
A．7:00
B．10:00
C．8:00
D．8:30
相关试题