Question

Few girls can resist flattery. (Voice change)

Answer 1

flattery could be resisted by few girls

Answer 2

heya!
here's your answer!
_________________
_____

Active voice :- Few girls can resist flattery

Here subject is the few girls ,which will be changed as object in passive voice. 

Here resist is the verb, it changes to v3

Here object is flattery , which changes into Subject 

Thus, For passive voice we have 

Subject -> few girls

Verb --> resist

Object -> flattery

Therefore, The passive voice is :- 

Passive voice :- Flattery can be resisted by a few girls

______________________
____________
____

HOPE THAT THIS HELPS YOU:)