David Michaels is professor of environmental and occupational health at the George Washington University Milken Institute School of Public Health. He served as Assistant Secretary of Labor for the Occupational Safety and Health Administration (OSHA) under President Barack Obama from 2009 to 2017.
No More Boring English Lessons!
Over our many years teaching English, we have identified three points that will help you learn easily.
1) It needs to be interesting. If you want to progress to English fluency you need to be having fun or be interest... SEE MORE