1.单选题- (共2题)
1.
The air in this area has a strange smell, but we it.
| A．polluted; used to | B．polluted; are used to | C．polluting;used to | D．polluting; used to |
试卷分析
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【1】题量占比
单选题:(2道)
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【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：2
5星难题：0
6星难题：0
7星难题：0
8星难题：0
9星难题：0