[ Grammar ]
What does the prefix mono- mean?
A. One
B. Two
C. Three
D. Four

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Synonyms and VocabularyTime ExpressionsComparatives and SuperlativesVerb Tenses and Subject Verb AgreementInterrogative PronounsComparative AdverbsAdverb of MannersGrammar on ConditionalsPrepositions of Time & PlaceGrammar & VocabOther quiz:
Vocabulary › ViewA smaller river that flows into a larger river.
A. tributary
B. total war
C. the union
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Modal Verbs › View
. What is the correct modal to use in the sentence: “The librarian ___ assist you with finding your book after the meeting”?
A. should
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Vocabulary › ViewWe decided to _________ for the weekend to explore the countryside.
A. take a trip
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Grammar › View
______ engineer
A. A
B. AN
