I love places ________ the people are really friendly.

George, how can you prove the earth is round?—I can’t, sir. ______, I never said it was.

________ is that man over there? –He is Dick’s uncle.

May I speak to the headmaster?—He ____ a meeting now. Can I take a message?

The number of the students in our school is about nine ____. ____ of them are boys.