句型转换(5分)
We have a very good Chinese teacher. (改为否定句)
We a very good Chinese teacher.
Our desks are white. (对画线部分提问)
are your desks?
It’s eight fifty. (改为同义句)
It’s .
They come from America. (对画线部分提问)
they from?
They are useful books. (改为单数句)
is useful book.