He kept looking at her, wondering whether he ________ her somewhere. 

How pleased the Emperor was _____ what the cheats said!

 The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.

Instead of praising your kids for their intelligence, you should____ your praise on the effort they put into succeeding at task, expert say.

 As the road to the airport is under reconstruction, we'd better ________ early to avoid the traffic jam.