___used to be thought that the earth was square.
The interview he paid little attention to _____ him the chance to work in this company.
The doctors said it would be months _____ Yao Ming was fit enough for regular training.
_____ to give up smoking, he threw away his _____ cigarettes.
I can’t remember how many years ago _____ a fight broke out between the husband and the wife.
_____ surprised me most was that he made the same mistake again.