1. When facing unexpected challenges, she __________ (behaviour) with great courage.2. They made a _________ (compare) of different countries' eating habits.3. Her _________ (analyze) of the accident exactly showed what had happened.4. Knowing what had happened to her, I avoided (避开) making any ______ (refer) to weddings that may make her unhappy again.5. Prices of goods ________ (various) widely from shop to shop.