Question

4.she is the .......girl in class. (helpful)

Answer 1

hi buddy,

she is the most helpful girl in the class

hope u like this and mark me as branninliest

Answer 2

Answer- She is the most helpful girl in class.
Reason- 
⇒Helpful is an adjective with positive degree.
⇒Whenever 'the' is used, we always use the third degree or the superlative degree of comparison of adjectives.
⇒Most helpful is the superlative degree of helpful.

Please mark as the BRAINLIEST answer if helpful.