English Skills with Readings 8th Edition by John Langan

Exercise 14

See if you can identify the ten sentence-skills mistakes in paragraph B. Do this, first of all, by going back and underlining the ten spots in paragraph B that differ in wording or punctuation from paragraph A. Then try to identify the ten sentence-skills mistakes by circling what you feel is the correct answer in each of the ten statements below.
HINT: Comparing paragraph B with the correct version may help you guess correct answers even if you are not familiar with the names of certain skills.
In word group 12, there is a
a. missing apostrophe.
b. missing comma.
c. mistake involving an irregular verb.
d. sentence fragment.