We may find that learning a foreign language does not have to be________learning our mother tongue,but can in fact be twice ________.
—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.