Characters for recording and spreading information.
The opening of the 19th Asian Games is an event technology and culture.
excellent scientist Yan Ning is!
If we continue to , we will solve difficulties.
Never what can be done today till tomorrow.
I don't know buy stamps.
Mike's mother know the exam result.
Sarah will give an important speech tomorrow, so she .
Please help me the cup water.
We don't know how to the problem.