Rules for writers, Tenth edition - Diana Hacker, Nancy Sommers 2021

Add the articles a, an, and the where necessary for grammatical completeness
Add needed words
Clarity

It is not always necessary to repeat articles with paired items: We bought a laptop and printer. However, if one of the items requires a and the other requires an, both articles must be included.

FOR MULTILINGUAL WRITERS

Choosing and using articles can be challenging for some writers. See 29.

EXERCISE 10-1

Add any words needed for grammatical or logical completeness in the following sentences. Possible revisions appear in the back of the book.

a. A grapefruit or orange is a good source of vitamin C.

b. The golden eagle’s wingspan is nearly as wide as the bald eagle.

c. Looking out the family room window, Sarah saw her favorite tree, which she had climbed as a child, was gone.

d. The graphic designers are interested and knowledgeable about producing posters for the balloon race.

e. The Great Barrier Reef is larger than any coral reef in the world.