Select all sentences that use the required reporting-verb complementation pattern.
The ranger warned the swimmers to avoid the northern cove.✓الإجابة الصحيحة
The consultant advised to replace the outdated access panel immediately.
The apprentice denied to scratch the polished surface with a clamp.
The supplier refused to reduce the quoted delivery charge.✓الإجابة الصحيحة
الشرح
The warning includes an object before its to-infinitive, and the refusal takes a to-infinitive without one. The advise and deny sentences use missing-object and to-infinitive patterns that their verbs do not permit here.