Question

my father ___(work) in the new office by next year

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Answer 1

Answer:

will work

Explanation:

By the next year indicate that the thing will happen in future ...so whenever we talk about future we use "will".

Answer 2

Answer:

My father will work in the new office by next year

Explanation:

because he will join next year so it will in future and

in future indefinite

the writing form is

sub + will / shall + verb 1st form + object.