One of the requirements for a fire is that the material______to its burning temperature.

admin2013-11-24 28

问题 One of the requirements for a fire is that the material______to its burning temperature.

选项 A、heated
B、be heated
C、to be heated
D、being heated

答案B

解析本题测试虚拟语气。名词requirement的同位语从句或表语从句的谓语需用虚拟语气should+动词原形，should可省略。

转载请注明原文地址:https://kaotiyun.com/show/xamO777K

考博英语

相关试题推荐

随机试题

最新回复(0)