句型转换（共10个空，每空0.5分，满分5分） Going to sleep early is important for the teenagers.
__________ _________ _________ for the teenagers to go to sleep early. You should read more English books.
You ________ _________ read more English books.He had to stay up late last night because he hadn’t recited NCE.(改为否定句)
He ________ _________ _________ stay up late last night because he had recited NCE. If it doesn’t rain tomorrow, we will climb Baiyun Hills.
We will climb Baiyun Hills _________ it _________ tomorrow.
David played basketball on the playground just now．（对划线部分提问）
basketball on the playground just now？
Lisa does the housework every day．（改为否定句）
Lisa the housework every day．
Didn't he see you just now？（根据句意做出肯定或否定回答）
，he ． He said hello to me．
China is the greatest country in the world．（改为同义句）
China is greater than country in the world．
People will have robots at home in 20 years．（对划线部分提间）
will people have robots at home？