Additional Exercises
Exercise 1: Cause-Effect Paragraph: Smoking
Exercise 2: Proofreading: Headaches
Exercise 3: Proofreading: Weather Satellites

ACE Practice Tests
Practice Test 1: The Structure of a Cause-Effect Paragraph
Practice Test 2: Effective Topic Sentences

Web Links

Sentence-Level Exercises for Grammar and Usage Tips
The following exercises offer you additional practice on honing your grammar skills.
Revising for Parallelism
Avoiding Wordiness
Sentence Combining
Writing Complex and Compound-Complex Sentences
Sentence Variety