The doctor did what he could_________ thedying man.

“Take a look at these pictures, and see if you can _____ the criminal． ” The policeman said to the witness．

China supplies more than 90 percent of the world’s rare earth metals, but its reserves only ________ about one-third of the world’s total.

Our city is developing so fast. —-Yes. Many modern buildings _____ inthe city next year.

Washington, the capital of the United States, was named ______ one of the greatest American presidents