[ 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
Select your answer:

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ComparativePresent Perfect and Simple Past TensePhrasal verbs and Prepositional PhrasesTypes of PrepositionConjunctions and Clauses1st and 2nd ConditionalsPassive Voice & Verb TensesGender and GrammarWorld Literature VocabularyTransportation VocabularyOther quiz:
Conditional Sentence › ViewIf I had time, I would go with you.
A.I am free and surely go with you.
B.I am too busy to go with you.
C. I will go with you because I have time.
D. I am free enough to go with you.
Adjective › View
Young children think that animals are _____
a.fascinating
b.fascinated
