Unit 2（）Text A. VocabularyFill in the blank in the following sentence with one of these words and change the form if necessary. (tackle, humility, attain, viable, penchant, dispense, commodity, manipulate, economize, sequential)20. It is often difficult t

Unit 2（）Text A. VocabularyFill in the blank in the following sentence with one of these words and change the form if necessary. (tackle, humility, attain, viable, penchant, dispense, commodity, manipulate, economize, sequential)20. It is often difficult to be selfless, especially when the culture you live in is so individualistic. Serving others requires a great deal of （） .
正确答案：humility