At the crowded exhibition, Anya ___ before the final room became busy.
suggested visiting the sculpture hall first✓الإجابة الصحيحة
suggested us to visit the sculpture hall first
suggested to visit the sculpture hall before lunch
suggested that us to visit the sculpture hall before the crowds arrived
الشرح
Suggested visiting the sculpture hall first correctly follows suggest with an -ing complement. Suggested us to visit is a learner error because suggest does not take an object plus a to-infinitive.