Gloria:because, we don't speak English to someone, some people think we are fool.
Correct: It is important to study the English language because if we don't know how to speak the said language, some people will think we are fool.
EXPLANATION:

* Always answer in a complete sentence.

* The adjective 'said' is used before the name of a person or thing you have already mentioned to avoid repetition of words.
 
*Avoid using conjunctions like BUT, AND, BECAUSE as the first word in a sentence because we use conjunctions to connect an incomplete thought to a complete one.

Gloria: many people use English
Correct: Many people use English.
EXPLANATION:

Always capitalize the first letter of a word in a sentence.

Gloria:and If you have a metting with foreigner CEO but, you can't speak English, that foreigner CEO can't hear about your thinking.
Correct:  If you have a meeting with a foreigner CEO but you can't speak in English, he will not be able to understand you.
EXPLANATION:

We use the pronoun 'he' to refer to a person whose identity is not known.

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 Hello, Gloria! Great work! Thank you so much for submitting your homework. Kindly take note of the corrections that I have made for you. See you tomorrow!

-Teacher Isabel