The science of computer, rapid progress has been made in recent years,plays a very important role in our daily life.
He suddenly saw Sue _____ the room. He pushed his way ____ the crowd of people to get to her.
Leaves are found on all kinds of trees, but they differ greatly_________ size and shape.
My sister was against my suggestion while my brother was_____ it.
__________ the silence for the pauses, we could hear each other’s breathing and could almost bear our own heartbeats.
No one helped me. I did it all _____ myself.