Question

Revise the following sentences, inserting commas where needed:

1.We studied biology algebra general business and English grammar.

2.Biology is an area of study concerned with living organisms—their form and structure their behavior their function their origin their development and growth etc.

3.The dark dingy musty cellar needed to be cleaned.

4Turning his car left Bill crashed into a truck emerging from a side road.

Answer 1

1. We studied biology, algebra, general business, and English grammar.

2. Biology is an area of study concerned with living organisms—their form and structure, their behavior, their function, their origin, their development, and growth, etc.

3. The dark, dingy, musty cellar needed to be cleaned.

4. Turning his car left, Bill crashed into a truck emerging from a side road.

Answer 2

1. We studied biology, algebra, general business and English grammar.

2.Biology is an area of study concerned with living organisms—their form and structure, their behavior, their function, their origin, their development and growth etc.

3. The dark, dingy, musty cellar needed to be cleaned.

4. Turning his car left, Bill crashed into a truck emerging from a side road.