Question

1)
Out of these choices, which is the most formal?
A) You've gotta do this stuff now, tho.
B) You really need to get 'er done.
C) You have to do this- no lie.
Eliminate
D) You truly need to accomplish

Answer 1

d) is the most formal sentence in above sentences.

Answer 2

According to the rules of formal language , short forms should be avoided.

So , the most appropriate answer according to me is option 4