[ Past Simple and Past Continuous ]
Choose the correct words.
Dinosaurs ________ on Earth when they suddenly ________. Many scientists believe that a natural disaster killed them. It happened 65 million years ago.
A. lived; disappeared
B. were living; were disappearing
C. were living; disappeared

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Complex SentencesPresent Simple & Present ContinuousPast, Present, FutureAdjectivesNouns, Pronouns, Antecedents, and Singular and PluralWho vs WhomNoun Verb AgreementSimple Past ContinuosMay, MightModal and Auxiliary VerbsOther quiz:
Grammar › ViewMy personal computer is _____ -just when I need it most. I will not be able to submit my essay to my teacher.
A. acting up
B. adding up
C. carrying on
D. catching up on
Grammar › View
rename =
A. give a new title
B. start again
C. close your computer
D. submit
