What does the word 'efficacy' mean? A. Being serious ...

[ Vocabulary ]

What does the word ‘efficacy’ mean?

A. Being serious and eager in the way you do something

B. Being graceful and stylish in appearance

C. The ability to get results fast

D. A person’s sense of self-worth

Select your answer:
A B C D E

Other quiz:

Wish Sentence › View

I wish it ….. raining.

A. stopped

B. would stop

Tenses › View

Look! The children ________ in the pool.

A. are playing

B. are play

C. is playing

D. am playing