Vocabulary Unit 7
Vocabulary Unit 8
Appositives
Commas
Adjective Clauses
100

Cars and factories ___ greenhouses gases, which contribute to global warming.

generate

100

Medical students study ___ topics before choosing a specific area to specialize in.

general

100

What is the appositive in this sentence? 

Maria ate lunch at Chili's, her favorite restaurant.

her favorite restaurant

100

Put a comma, as needed, into the sentence.

We brought sandwiches fruit and cookies to the park for a picnic.

We brought sandwiches, fruit, and cookies to the park for a picnic.

100

Rewrite the sentence to add the adjective clause in parentheses.  Add commas if needed.

Prof. Sheen drives to work every day. (who lives in Virginia)

Prof. Sheen, who lives in Virginia, drives to work every day. 

200

Warming temperatures are causing Arctic sea ice to ___ rapidly. It is getting smaller and smaller.

shrink

200

The Method of Medicine by Al-Zahrawi was used as a ___for surgery in medical schools for centuries.

manual

200

I met with Prof. Smith, my chemistry instructor, during her office hour.

my chemistry instructor

200

The cat ran up the stairs into the kitchen and out the back door.

The cat ran up the stairs, into the kitchen, and out the back door.

200

Rewrite the sentence to add the adjective clause in parentheses.  Add commas if needed.

The professor who lives in Washington, DC takes the metro to work every day.

The professor who lives in Washington, DC takes the metro to work every day.

NO COMMA (restrictive)

300

Scientists are identifying ___ ways that individuals and countries can help solve the problem of climate change.

practical

300

When people have COVID-19, they should at home so that they didn't ____ the disease to other people.

spread

300

John F. Kennedy, the popular US president, was known for his eloquent and inspirational speeches.

the popular US president

300

My mother who was born in Massachusetts has a New England accent.

My mother, who was born in Massachusetts, has a New England accent.

300

Rewrite the sentence to add the adjective clause in parentheses.  Add commas if needed.

The Washington Monument which stands in the middle of the National Mall is 169 meters tall.

The Washington Monument, which stands in the middle of the National Mall, is 169 meters tall.

400

Climate change is a ____ problem.  It affects all parts of the Earth.

worldwide

400

Al-Zahrawi developed a ____ for amputating (cutting off) arms or legs without killing the patient. 

method

400

The first state to ratify the U. S. Constitution, Delaware is rich in history.

The first state to ratify the U.S. Constitution

400
The professor who teaches the grammar class has taught in the ELC for a long time.

The professor who teaches the grammar class has taught in the ELC for a long time.

NO COMMA NEEDED (restrictive clause)

400

Use the second sentence to create an adjective clause and combine it with the first sentence.

The players are winning the game.  The players are wearing red jerseys.

The players who are wearing red jerseys are winning the game.

NO COMMA (restrictive)

500

There has been an ____ increase in global temperatures during the first part of the 21st century.

exceptional

500

Al-Zahrawi was a doctor for the royal family during the Muslim ____ in Spain.

civilization

500
Logging - the cutting down of trees - has several negative effects on the environment.

the cutting down of trees

500

I have known Jill Topham my best friend for over thirty years.

I have known Jill Topham, my best friend, for over thirty years.

500

Use the second sentence to create an adjective clause and combine it with the first sentence.

Our new car is the 2024 Acura Integra.  (The 2024 Acura Integra has many safety features.)

Our new car is the 2024 Acura Integra, which has many safety features.

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