I think that the answer would be C. Three
Im not 100% sure though, but I hope this helps!
The second one I was thinking for the third one
A. past progressive
The past progressive tense<span> describes something from the past that is consistently happening. Usually, it sets the stage for the next thing that will happen. It is used with the verb "was or were" and an -ing verb.
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Answer:
by helping writing open letter and its function
Explanation:
is there any story before
The answer is both A and B (C)