Was it not until you began to work ___ how much time you had wasted?
All of my classmates have __________ fond of the new teacher since he came to teach us.
I __________ read books rather than go to the countryside this weekend.
As is known to all, earthquakes are ___________ disasters _________ can destroy buildings and kill people.
The speaker _________ his voice to make herself heard.
After the quake, the whole city lay in ____ ruins. However, with all the efforts, ________ new Tangshan was born.