That is his old house. He lived there for twenty years. （合并为一句）
That is his old house _________ _________ he lived for twenty years.
His mother will come back in five days. （对划线部分提问）
_________ _________ will his mother come back?
Chinese doctors saved many patients all over the world. （改为被动语态）
Many patients all over the world _________ _________ by Chinese doctors.
David can hardly speak Chinese. （改为反意疑问句）
David can hardly speak Chinese, _________ _________?
Shanghai is the biggest city in China.（改为同义句）
Shanghai is _________ _________ any other city in China.
Wuhan is the___ A___ city of Hubei. It is a beautiful, large and very important city in China. During this Spring Festival, the city received much attention because of a novel corona-virus （新冠病毒）.
Several days before the Spring Festival, Wuhan was locked and the city became quiet. However, a big fight was going on there. It was the fight ___B___ the novel corona-virus. The doctors and nurses there became brave warriors （勇士） in masks, glasses and protective suits. ①他们许多人不得不每天工作十多个小时，drinking little or no water. They risked their health and even lives to treat the patients. Thousands of doctors and nurses from other provinces and cities went to Wuhan to support them. There is no doubt that ②heroes, in, were, fight, all, they, the.
Besides doctors and nurses, everyone in our country was doing their own part in the fight against the novel corona-virus.
This Spring Festival was not as fun as it usually is. It even brought us tears many times. However, we will never forget those difficult days, ③not only for the awful virus, but also for the efforts we made together and the lessons we learned.
任务一:请分别在文中A、B两处的横线上填入适当单词（每空一词）。
1.A_____________ B____________
任务二:请将文中①处句子译成英语。
2.__________________________________________________
任务三:请将文中②处的斜体单词连成句子。
3.There is no doubt that_______________________________________
任务四:请将:文中③处划线句子译成汉语。
4.___________________________________________________________
任务五: When was Wuhan locked according to the passage?
5.___________________________________________________________
