Vocabulary and Structure Please complete the following sentences with the proper forms of the words given. 1.We need to protect her____。(private) 2.I am sorry to disappoint your_____。(expect) 3.They were driven by_____and hunger to steal.(poor) 4. The_____securities market yesterday bottomed out and began to rise.(decline) 5.Many species are in danger of_____because of our destruction of their natural habitat(. extinct)