— Has Mary finished writing her article?— No, and it _____ before class was over.
On the Eve of the Spring Festival, we Chinese people like to play with fireworks, and the noise doesn’t _________ until after midnight.
As you know, it is our duty to _________ my younger sisters from being hurt when they are in trouble.
According to the investigation, the D-train accident resulted from the fact that the authorities concerned didn’t _________ enough importance to the safety of the signal equipment.
—How about going out for a break? —. We've been working for three hours.
It was announced that only when the terrible disease was under control _____ to return to their homes.