Read this sentence: Thomas Edison invented or improved over a ...

[ Grammar & Vocabulary ]

Read this sentence: Thomas Edison invented or improved over a thousand things, some of which we use every day. What does invented mean?

A. using scientific knowledge or tools to do something

B. created, designed, or built something that did not exist before

C. set up or done to make money

D. made a drawing of something

Select your answer:

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Other quiz:

First Conditional › View

I will stay in bed If I ________________ well tomorrow.

A. won’t feel

B. felt

C. don’t feel

D. not feel

Mixed General Quiz › View

Canadian fire department officials instruct school children to lie down and _____ their bodies on the ground or floor if their clothes or hair catch fire.
a. role
b. roll