It is selfless ______ the doctor to devote all thetime he had ________ for the patients.–I think so, they are so great.

Not until Mr. Smith came to China ___ what kind of a country she is.

These are ______.

Sorry, you lost your purse; I hope it will some day.

There was a plaque ___________ the top of the bench but she couldn’t read the inscription from this distance.