Category 1
Category 2
Category 3
Category 4
100

Scientists gather _____ about patients who use a new medication to see if it is effective.

data

100

Make sure to wear sunscreen today – it’s _____ sunny!

extremely

100

Professional ballet dancers are very _____.

flexible

100

Using _____ energy sources (like solar power) is good for the environment.

sustainable

200

Omar is very _____; he wants to become a doctor.

ambitious

200

Keeping your _____ organs healthy, like your lungs and heart, is a crucial part of living a long life.

internal

200

We have _____ become a couple – we got married in a courthouse this morning!

officially

200

I chose to live in the countryside because I hate the noise and pollution of _____ areas.

urban

300

There was a _____ in sales during the last two business quarters – things aren’t looking good for the company.

decline

300

Chicago has many _____ buildings that were designed by famous architects.

impressive

300

Unfortunately, death is _____.

inevitable

300

What was the woman’s _____ for killing her husband?

motive

400

Nobody at my company ever _____ the boss.

contradicts

400

The United States _____ has five branches: the Army, the Navy, the Air Force, the Marines, and the Coast Guard.

military

400

Baking is stressful because you need to be very _____. I prefer cooking!

precise

400

I hadn’t realized how _____ the ocean is until I sailed from New York to France.

vast

500

Love is an _____ idea, but a wedding ring is a concrete symbol of love.

abstract

500

Although we can’t completely _____ air pollution, we can reduce it.

eliminate

500

Earning interest on a savings account is _____ income – you don’t have to do anything to make money!

passive

500

The builders put steel posts in the wall to _____ it.

reinforce