请用所给单词的正确形式填空He is the only one of those boys who ________ willing to take on an additional assignment.（be）
举一反三
- Tom is the only one of those boys who __________ willing to take on another assignment.
- He is the only one of those boys who _______ willing to help others.
- 请用所给单词的正确形式填空Joan is one of those people who ________ out of their way to be helpful.（go）
- He is one of the boys who _____ never late for school. He is the only one of the boys who _____ never late for school.
- 请用所给单词的正确形式填空Selfishness is the one of her many faults which _________ itself.（defeat）