—I’m sorry that I broke your pen. Let me buy you a new one. — . I have another one.
—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?
It’s ten years since he _________ his hometown.