—You were brave enough to argue with Mr. Smith. —Well, now I regret _______ that.
—You were brave enough to argue with Mr. Smith.
—Well, now I regret _______ that.
—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.