[ Grammar ]
What’s the correct plural form of “radius”?
A. radiuses
B. radii
C. radiuss
D. radius’s
Select your answer:

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Conditional Sentence Type 3Verbs – Nouns – Adjectives - AdverbsConditionals (0 - 1 - 2)Verb BEAdjectiveAdverbial Clause / If / ComparativesAll, Both, Neither, None, EitherVerb Tenses and ModalsPronouns, Verb, ConjunctionModal and Auxiliary VerbsOther quiz:
-ing &-ed Adjectives › ViewToday, I asked my students to join a web meeting in order that I can explain our today’s material to them. But no one joined. I am very ….. to them.
A. disappointing
B. disappointed
Vocabulary › View
(v) to refuse to give; to reject as untrue
A. doubtful
B. descendants
C. definite
D. deny
