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(Those of us) who work in chemical (laboratories) should have (their) lungs (checked) quite regularly.
(Those of us) who work in chemical (laboratories) should have (their) lungs (checked) quite regularly.
admin
2007-10-13
107
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
C
解析
应改为our,代指前面的those of us。
转载请注明原文地址:https://kaotiyun.com/show/rtPO777K
0
成人本科学位英语
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