-How is Helen in the new school?-She is doing very well. There is to worry about.
The girl is only two years old. She is _______ to go to school.
—Maria likes singing. Do you often hear her _______ after class? —Yes, I do.
—Would you mind _______ in the classroom? —Sorry, I won’t do that again.
The Changjiang River is one of ________ in the world.
Linda born July 2nd ,1999.