1 . 从方框中选择恰当的单词或短语填入句子中，注意使用其正确形式。

complain        affect        symbol        abandon        potential       approve of         take up             regardless of               be at risk        on the contrary

1. —I suppose your parents don’t understand you.
—________， they understand me very well
2. Your attitude will ________how successful you are.
3. The chess club welcomes all new members________ age.
4. Chris wants to keep fit， so he ________jogging every morning.
5. Because I’m nearsighted， I’m worried that my daughter will ________ for it too.
6. Forming a V with your fingers is often recognized as the ________ for victory.
7. If you're unhappy with the room service， you should ________ to the manager.
8. Because of the heavy snow， we had to ________ the car and walk the rest of the way.
9. My parents need to know exactly where I plan to go before they can ________my trip.
10. Doctors are excited about the new drug's ________ benefits because it may save more lives.

2 . The manager was shocked to see a letter of c_________ about the service of their restaurant, as it always had a good reputation all over the city. （根据首字母单词拼写）

4 . 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.