I ___________________________ when I heard a loud knock on the ... | GrammarQuiz.net

Topics: Past Continues Tense

I ___________________________ when I heard a loud knock on the door.

A. is sleeping

B. am sleeping

C. was sleeping

D. were sleeping

Select your answer:

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I must study … second languages.
a. some

b. any

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Choose the correct option according to the sentence:

Sweet emotions is a song made by Aerosmith
___
A. Active voice

B. Passive voice

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