When asbestos fibers are breathed in, they make damage to our lungs

When asbestos fibers are breathed in, they make damage to our lungs A. When B. beathed C. make D. to Help me find the mistake, please!
7 years ago
Asked 7 years ago
Fred

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A. when If asbestos fibers are breathed in, they make damage to our lungs.
Answered 7 years ago
Mai Thị Hoa

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