Need help in the book before we were free

Mami tells Anita, "No flies fly into a closed mouth." What does this mean?

Read the paragraph. [1] this year, the linden high school debate team is bigger than ever. [2] neither the students nor the faculty advisor has much experience, but it’s a smart, capable, argumentative group! [3] we’ve tried to make a schedule that allows us to study, prepare, and scrimmage. [4] only one of us are able to practice on thursdays or fridays, which can be inconvenient. [5] even so, we feel prepared and excited for this year’s tournaments. [6] our first debate is on october 10th, and we are excited that it is so soon. which two sentences have subject-verb agreement errors? sentence 2 and sentence 4 sentence 2 and sentence 1 sentence 3 and sentence 5 sentence 4 and sentence 6

Which lines from the speech best supports this topic sentence? and as we walk, we must make the pledge that we shall always march ahead. we cannot turn back. there are those who are asking the devotees of civil rights, "when will you be satisfied? " and they have come to realize that their freedom is inextricably bound to our freedom. we cannot walk alone. we refuse to believe that there are insufficient funds in the great vaults of opportunity of this nation. and so we've come to cash this check, a check that will give us upon demand the riches of freedom and the security of justice. and so let freedom ring from the prodigious hilltops of new hampshire. let freedom ring from the mighty mountains of new york. let freedom ring from the heightening alleghenies of pennsylvania.

What else do you think experts can learn from studying the language of written work? what do you think is the value of studying the language of william shakespeare whose writing is over hundreds of years old?