2 . 选词填空

grateful, give away, effective, on behalf of,complain, devote, committed, furniture, highlight

1. Tu Youyou ________her life to medicine research, which inspires a lot of people.
2. Jason was tired of being regarded as living a successful life, so he made the choice to ________all his money to charity.
3. He lives in a small room with second-hand ________.
4. Many scientists are totally ________to their studies and they always remain determined and focused.
5. I am writing ________the school's student Union.
6. He used to help us when we were in trouble. We were extremely ________to him for helping us.
7. In his speech, he ________the importance of environment protection.
8. They often ________about the noise upstairs.
9. The government has taken ________measures to prevent the spread of COVID-19.