Hello! I'm Linda. I have a good e-friend. Her name is Zhang Yun. Her English name is Betty. She is a Chinese girl, but she lives in the UK with her parents. Her father is a doctor and her mother is a teacher. She is ten years old. She call me big sister. She is good at English. She likes Chinese and I also like Chinese. She likes singing and playing basketball. This is my good e-friend. Do you want to know more?

    Facebook CEO Zuckerberg just had a baby girl named Max, and to honor the occasion, he's giving away the majority of his wealth. In the letter____(write) by Zuckerberg and his wife, Priscilla Chan, to____(they) new baby girl, he announced the birth of his first child and the____(create) of the Chan Zuckerberg Fund，____will focus on curing disease, connecting people and____(build) strong communities.

    “For your generation to live in____better world, there is so much more our generation can do,” Zuckerberg wrote. “Today your mother and I are committing to spend our lives doing our small part to help solve these challenges.” The couple____(donate) nearly all of their Facebook stock to the cause. “We will give 99% of our Facebook shares-currently about $45 billion-to advance this____(value) mission,” he wrote. “We know this is a small contribution compared____all the resources and talents already working on these issues. But we want to do____we can, working along with many others.”

在放学回家的路上，七年级学生小东遭到两个大个子青年勒索。此时，下列做法中可取的是（   ）