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Prepositions after VerbsSentence Structure and Verb TensesModals of Obligation & ProhibitionTransportation VocabularyProgressive TensesNoun PhrasesImperative SentencesVerbs – Nouns – Adjectives - AdverbsPresent & Past TensesAdjective, Adverb, and Noun FormsOther quiz:
Vocabulary › ViewWhat is the topic of the paragraph on page 344 of “Volcanoes”?
A. Lava can destroy buildings.
B. Volcanic ash does not cause problems.
C. Hot lava from volcanoes can cause damage.
D. Mount Saint Helens knocked down whole forests.
Vocabulary and Grammar › View
Mr. John feels tired because he ______ hard all day.
A. works
B. worked
C. had worked
D. has been working
