[ Tenses ]
When Carol _________ dinner, someone __________ on the door.
A. was cooking/ was knocking
B. was cooking/ knocked
C. cooked/ knocked
D. cooked/ was knocking
Select your answer:
Random Topics:
TensesTransition Words And Phrase Passive Voice Grammar - FragmentsPerfect TensePronouns ( Interrogative )Parts of SpeechCommasGrammar TOEFL
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