It’s impossible for us to finish the task within half a month.
---You seemed to have been impressed by his songs. ---Well, not exactly so. It was his way of singing____ his voice that really impressed me.
I'll be home late, but please don't stay ____ for me.
____ the temperature falling so rapidly, we couldn't go on with the experience.
He was in hospital for six months.He felt as if he was ______ from the outside world.
My father ______ my brother for driving but he wanted to pick ______ the knowledge of the computer during his spare time.