The island where these rare birds nest has been declared a _________area.
The retired man donated most of his savings to the school damaged by the earthquake in Yushu, the students to return to their classrooms.
He had a wonderful childhood, with his mother to all corners of the world.
many times, he finally understood it.
They use computers to keep the traffic smoothly.
at my classmates’ faces, I read the same excitement in their eyes.