Question

Omitting : Dreaming is / common and natural activity of the mind when we are asleep.
A the

B an

C be

D a
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Answer 1

Answer:

a

Explanation:

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Answer 2

Answer:

Omitting : Dreaming is / common and natural activity of the mind when we are asleep.

A the

B an

C be

D a

Explanation:

the answer should be D because we are not talking about particular thing