[ Mixed General Quiz ]
Did you know that 95 percent ___ the world’s opals are mined in Australia?
a. on
b. at
c. of
Select your answer:
Random Topics:
Quotation MarksSubject – Predicate Later vs. LatterPresent/Future/Past Simple/Present PerfectSimple TenseHow much or How many?Progressive TenseTenses - Pasive VoiceParticiple Adjectives
Other quiz:
Grammar › ViewIs there a bathtub?
A. No, there is.
B. Yes, there is.
C. No, there isn’t.
Grammar & Vocabulary › View
The ocean is __.
A. narrow
B. vast
C. spacious
How to use : Read the question carefully, then select one of the answers button.