He will stop showing off,if no notice of him.
Modern China is experiencing a completely new period__respect for science and creativity has become the guiding principle of society.
I won't give you any help __ you tell me the truth.It's none of my business
Although he is very young, he is much more experienced than others __working ability.
Good use___ the natural resources to improve people’s life in this area.
A great number of students said they were forced to practice the piano .