Lisa does the housework every day.(改为否定句)
Lisa the housework every day.
I find it difficult to learn physics.(变成复合句)
I find to learn physics.
Now,more and more foreigners speak Chinese well.(变为被动语态)
Now,Chinese by more and more foreigners well.
It took him one and a half hours to finish the task.(变成同义句)
He one and a half hours the task.
China has a population of 1.37billion.(对划线部分提问)
the population of China?
She must be a doctor, ?(完成反意疑问句)