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

Random Topics:
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:
Tenses and Voice › ViewIdentify the future simple tense in the sentence: ‘You will complete the project.’
A. will be completing
B. will complete
C. you complete the project
D. complete the project
Grammar › View
What is an antecedent?
A. A Person, Place, Thing, or Idea
B. An Action Word
C. A word that describes nouns
D. The word(s) the pronoun is replacing
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