[ Tenses ]
When Carol _________ dinner, someone __________ on the door.
A. was cooking/ was knocking
B. was cooking/ knocked
C. cooked/ knocked
D. cooked/ was knocking

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ComparisonsPresent Perfect, Present Simple, Present ContinuousPersonal & Possessive PronounsPast simple - Irregular VerbsPrepositions and Preposition PhrasesPresent Tenses and ConnectorsPerfect Tenses and VocabularyVerb Forms and PrepositionsConjunctions and PrepositionSentence Adverbs & Third ConditionalOther quiz:
Modal Verbs › View___________ I borrow your pen for a minute?
A. May
B. Should
C. Must
Simple Past Tense › View
The last December 31, 2014 we . . . The New Year Eve and Night Happily.
A. Celebrate
B. Celebrated
C. Celebrates
D. Celebration