[ Adverbs, Prefixes, and Suffixes ]
Which of the following is the prefix meaning “two”?
A. Exo-
B. Tri-
C. Bi-
D. Bio-
Select your answer:

Random Topics:
PrepotitionsPrepositions and ConjunctionsGrammar TOEFLSimple and Continuous TensesComparative and Superlative AdjectiveWish + Verb 2Present/Past/Past ParticpleIELTS GrammarSentence CompletionSubject/Verb Agreement with Collective NounsOther quiz:
Grammar › ViewWhat is the simple subject in this sentence: “Birds fly south.”
A. south
B. fly
C. Birds
D. fly south
Conjunctions › View
Choose the correct conjunction to complete the sentence;
_____ doing her homework, Michelle heard the news about her mom.
A. nor
B. while
C. until
D. so
E. but
