The clever boy made a hole in the wall, ____ he could see ____ was going on inside the house.
The TV program was so exciting that the children kept their eyes ____on the screen.
When _____whether the work should be finished at once, he said ____ was no need.
His pale face suggested that he _____ well and his friend suggested that he____ a rest.
Each time ______ they met, they would talk long hours together.
You needn’t go to the railway station by taxi because it is within walking ____. It only takes five minutes to walk there.