IN or ON Learn to use these 8 professional English verbs correctly

Do you say “focus in” or “focus on”? “Specialize in” or “specialize on”? Take your English to a higher level by correcting common mistakes made with 8 advanced verbs. You’ll improve your grammar, vocabulary, and pronunciation. I teach you what each word means, how to say it, and whether to follow it with “in” or “on”. You’ll learn how to use: participate, depend, concentrate, believe, insist, and rely. To correct more English errors easily and quickly, take my online course, Correct Your English Errors in 10 Minutes a Day: https://10.bexenglish.com

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