1. The teacher encouraged her students to engage in active learning rather than relying solely on learning **by rote**. 2. During the bullying incident, I felt so **helpless** and lonely, unable to defend myself. 3. I’m grateful that I always feel comfortable being myself around my **peers**. 4. The company’s CEO was very **pleased** with the team’s hard work and dedication. 5. They spread false rumors about Mr. Hung **which were unpleasant** to damage his reputation. 6. It was very **embarrassing** when I mispronounced a word during a public speech, and everyone noticed. 7. My different part-time jobs during university provided me with valuable work **experience** and social skills. 8. Luckily, I happened to find the perfect birthday gift for my sister **by chance** while shopping online. 9. Lisa received a/an **exhilarating** email filled with a lot of criticism and negativity. 10. After a challenging climb, the moment we reached the top of the mountain was **exciting** and worthwhile.