[ 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:
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Random Topics:
Indefinite and Reflexive Pronounslike/do not likeInfinitiveSynonymMay, MightInterrogative Pronouns & AdverbsMain Idea and Sentence StructureComparative AdjectivePerfect TensesOther quiz:
Grammar › Viewcontraction for are not
A. ar’not
B. ae’not
C. aren’t
Simple Present Tense › View
they…….in the library today
A. Were
B. Are
C. Was