How many pieces of 4’x4′ sod are needed to cover a yard that is 16’x16′?
Regular VerbParts of SpeechDefinitions, Synonyms Modal AuxiliariesComparative AdjectivesComparatives - SuperlativeQuantifiers MixPreposition of TimeComparatives, Superlatives & Equatives
Other quiz: Modal Perfect
The plane is late. It ____________ landed by now.
C. ought to have
D. must have
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