Most people who have AIDS manage to____ only a few years after they get the disease.

Our English teacher is ______ our teacher; she is also our best friend. 

——Watch! ——I ____ but ____ I ____ anything unusual.

Do you know that the first textbooks written for teaching English as a foreign language ____ in the 16th century?

— Hi, what’s the rush?— I am off to the library right now to            a seat for my roommate!