Question

what should be in the blank will or shall in the sentence. I ............ be thirty next week​

Answer 1

Answer:

Both are right

But will is more better than shall

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Answer 2

Answer:

hey mate here is your answer

I will be thirty by next week.

Explanation:

I have used will here because shall makes the sentence a strong sense but it's a normal declarative sentence, but if you use shall then also there is no problem your marks will not get reduced.

Hope it helps☺

Mark as brainliest☺