AThose of us who work in chemical Blaboratories should have Ctheir lungs Dchecked quite regularly.

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问题 AThose of us who work in chemical Blaboratories should have Ctheir lungs Dchecked quite regularly.

选项 A、 
B、 
C、 
D、 

答案C

解析 应改为our。用来代指前面的those of us应用相应的第一人称。
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本试题收录于: 英语题库普高专升本分类
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