One of the requirements for a fire is that the material _________ to its burning temperature. ...
答案:1 悬赏:80
解决时间 2021-01-07 14:56
- 提问者网友:疯子也有疯子的情调
- 2021-01-07 09:16
One of the requirements for a fire is that the material _________ to its burning temperature. ...
最佳答案
- 二级知识专家网友:山君与见山
- 2021-01-07 10:11
B |
试题分析:句意:对火的要求之一是材料要被加热到燃点。主语是requirement,suggestion,order,advice等词后面的表语从句中用虚拟语气:should do,should可以省略,而且material和heat是被动关系,用被动语态,选B。 |
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