[ Tenses ]
Choose the correct form of the verb from parentheses. When I heard the knock on the door, I (opened / was opening) it.
A. opened
B. was opening

Random Topics:
Past Narrative TensesVocabulary and GrammarTag QuestionPast form of ModalsAdverbs and Time ExpressionsPassive Voice Active VoiceGerunds and ModalsIN, ON & ATPassive and Active SentencesMesopotamia VocabularyOther quiz:
Past Tenses › ViewWhat did you ___ to school?
I ___ my backpack to school.
A. brought – bring
B. bring – brought
C. bring – bring
D. brought – brought
Modal Verbs › View
You ___ drive without a license.
A. mustn’t
B. needn’t
C. couldn’t
D. may not
Grammar › ViewI detested ___________ (spend) two hours every day travelling to work and back
A. to spend
B. spending
C. both “spending” and “to spend”
D. to spending
Grammar › View
My father _____ me with my homework when he has time.
A. helps
B. is helping
C. helped
D. help
