Ze vraagt om hulp. (She asks for help.)
vragen takes "naar / om" (vragen naar / om = to ask for). Example: Ze vraagt om hulp. (She asks for help.)
Ze vraagt om hulp. — She asks for help. The preposition naar / om is fixed, so it doesn't change with the sentence.
Fixed prepositions come up all over the A2 exam. The platform drills them in real exam tasks, AI-graded across all five DUO sections.