[ Vocabulary and Grammar ]
. Using _____ like solar and wind power could save our planet.
A. alternative energy sources
B. global warming
C. green belts
D. conservation

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Grammar and EssayNoun ClausesCoordinating ConjunctionsGerund & ParticipleModal Verb, Passive VoiceGrammar: Have toVocabullary TestSingular and Plural NounsUnreal ConditionalsPassive and Active SentencesOther quiz:
Articles › ViewI bought …………….. new pair of shoes.
A. an
B. a
C. the
Passive Voice › View
Pine cones ___________ (eat) by squirrels.
A. Pine cones are eaten by squirrels.
B. Pine cones were eaten by squirrels.
C. Pine cones have been eaten by squirrels.