(Those of us) who work in chemical (laboratories), should have (their) lungs (checked) quite regularly.

admin2011-02-27  42

问题 (Those of us) who work in chemical (laboratories), should have (their) lungs (checked) quite regularly.

选项 A、Those of us
B、laboratories
C、their
D、checked

答案A

解析 人称一致错误,应改为Those。主语是在化工厂工作的人,对应后面的代词their。
转载请注明原文地址:https://jikaoti.com/ti/Y2nYFFFM
0

随机试题
最新回复(0)