[ Mixed General Quiz ]
Did you know that 95 percent ___ the world’s opals are mined in Australia?
a. on
b. at
c. of
Random Topics:
Conjunctions & InterjectionsGrammar and Sentence StructureSimple Present - Negative & InterrogativeSimple Present & Present ProgressivePresent Perfect Simple vs ContinuousCommon & Proper NounsShould and Shouldn'tAuxiliary ModalGrammar - Be going toRelative Pronouns with PrepositionsOther quiz:
Prepositions of Time › ViewMy dog is sometimes noisy ____ night.
A. in
B. on
C. at
D. every
Vocabulary › View
How would you describe something ‘enchanting’?
A. dull
B. tiny
C. delightful
D. careless
Grammar › ViewA: What did Grace _____ two hours ago?
B: She washed the car.
A. do
B. does
C. did
D. doing
Mixed General Quiz › View
Siena, is a medium- ___ city in Europe.
a. size
b. proportion
c. measured
d. sized