.Could you keep silent a few minutes, please? You are here_________.
Could you tell us ______ happens when one student in class expresses a personal opinion _______ maybe upsets other students?
Let’s take _____ ten-minute break and have _______ drink of water.
He _______ us that everything would go according to plan, but it turned out a failure.
His sister left home in 1998, and since.
The weather in Beijing in winter is colder than in Fuzhou.