At 13,Samuel received a training course in drawing for three years,________ he got a good opportunity for further development.
—Can Lihua help me with my English?—I regret to tell you her English is________ yours.
The program was so exciting that the children kept their eyes _____ on the screen.
The monument was built in honor of the explorer who was believed _____ the river.
It was getting dark; I found a car _____ in a pool by the side of the road.
The old farmer, _____ the badly injured and burnt soldier, came out of the burning farmhouse, calling continuously for help.