A middle-aged woman came _____ to the bus stop only _____ the bus had gone.
—Why do you know so much about The Youth Olympic Games to be held in Nanjing?—Well, the media ______ it in a variety of forms.
Much to my surprise, I found the education system of the USA was totally different from ______ of my home country.
Lessons can be learned to face the future, ______ history cannot be changed.
When he came in, he found his nephew ______ on the sofa watching a cartoon program.
Tom was wild with joy when his mother told him that his stolen bike had been ______.