Choose the correct verb form for each of the following sentences: Caroline is the most selfish person I have ever (know).

At the warning bell, all the students (begin) to pick up paper scraps.

Has an American ever (run) the mile in less than four minutes?

When the bell had (ring) three times, we knew we were to be dismissed from school.

Our puppy has (grow) eight inches in the last two months.

to inform readers about the ways young people improve the world.

answer: i dont know tbh

explanation:

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.

1)a

2 b

3 d

4 d or b

explanation: