Below is a representative set of 20 questions typical of in Unit 10 . The answers are given, followed by a short rationale.
Answer: May Why: May asks permission. Can indicates ability. (Though often relaxed in casual speech, formal writing prefers may .)
Example Question: "The medication did not have a strong side ______ on the patient." Unit 10 Usage Glossary Lesson 65 Answers
Answer: It’s Why: It’s = it is. Its = possessive.
There were (fewer/less) people at the meeting than we expected. Below is a representative set of 20 questions
: Never use "of" as a helping verb; the correct form is could have , would have , or should have .
Perhaps the most notorious pair in the English language. Can indicates ability
In Lesson 65, a paragraph may be presented with several usage errors. Below is a sample paragraph followed by corrections.
Keep this article bookmarked. Review the confusing pairs once a week. Before you know it, you will not need an answer key — you will be the answer key.
If you are using a specific textbook (e.g., Warriner’s , Elements of Language , Language Network ), mention the edition in the comments or consult the official teacher’s edition. However, for Lesson 65’s usage glossary questions, the answers above cover 95% of what you will encounter.
Typically, this lesson challenges students to differentiate between words that are often used interchangeably in casual conversation but hold distinct meanings in formal writing. Below, we analyze the most common word pairs and concepts found in this lesson, providing the logic behind the answers students are seeking.