[ Tenses ]
While she ______ (cook), the doorbell rang.
A. cooked
B. was cooking
C. cooks
D. had cooked

Random Topics:
Perfect Tenses and Have GotWh QuestionsModals and Past ModalsPrepositions of MovementPronouns, Verb, ConjunctionGrammar - Future ActionKinds of SentencesGrammar and VocabularyPossessive Adjective and PronounCountable Vs Uncountable NounsOther quiz:
Past Tenses › ViewDid you _______ lots of interesting photos on your holiday?
A. took
B. take
C. takes
D. taked
Grammar › View
__________ are you angry?
I am angry because he broke my toy.
A. How
B. Why
C. When