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

Random Topics:
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 and Vocabulary › ViewHe was certainly crazy, even a little ___________ ,
A. rude
B. eccentric
C. kind
Wish + Verb 2 › View
I can’t afford to go on holiday.
A. I wish that I could afford to go on holiday.
B. I wish that I was afford to go on holiday.
C. I wish that I had afford to go on holiday.
D. I wish that I will afford to go on holiday.
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
