[ Past and Future Tenses ]
They ___ in the library when the fire alarm ___.
A. study; rang
B. studied; rings
C. were studying; rang
D. study; rings
Select your answer:
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Past Tense vs Present Perfect TenseParticipal PhrasesWho or WhomPreposition after some VerbsSimple Present TensesSimple Present - WH QuestionsVerbs and TensesAdverbs of How Something is DoneVerb PhraseHomophonesOther quiz:
Vocabulary › ViewThe Great Wall of China is one of the most famous _________ in the world.
A. tourist attractions
B. sound
C. tour
D. continent
Grammar › View
children
A. countable
B. uncountable