—Guo Mingyi is an ordinary(普通的)worker.He helps many poor children in China.—He is____ example to us all.
We ________ our hands while they were singing on the stage.
—Have you ever ________ to the Great Wall? —Yes, I _______ there last autumn.
The words _________ by Miss Li are marked ________ red.
Have you finished the work _________?
He’s gone to the library, ________he?