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
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Past Narrative TensesVocabulary and GrammarTag QuestionPast form of ModalsAdverbs and Time ExpressionsPassive Voice Active VoiceGerunds and ModalsIN, ON & ATPassive and Active SentencesMesopotamia VocabularyOther quiz:
Prepositions › ViewI have been studying ___ half an hour.
a. until
b. since
c. for
Modal Verbs › View
In most developed countries,it is not necessary for people to boil water before they drink it.
A. In most developed countries,people ought to boil water before they drink it.
B. In most developed countries,people must boil water before they drink it.
C. In most developed countries,people needn’t boil water before they drink it.
D. In most developed countries,people mustn’t boil water before they drink it.
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