There is no greater pleasure than lying on my back in the middle of the grassland, _____at the night sky.A.to stare B. staring C. stared D, having stared
Nowadays many new couples like to ____ their wedding photos and hang them on the wall.
Generally speaking, the publishers will send you a specimen copy of their new books when ________.
Using bicycles ______ greatly to people’s physical fitness as well as easing traffic jams.
I stopped and said hello to her when I saw her but she _____ me completely and walked on.
It has been proved _______ violence on television has a bad effect on children.