Today we have chat rooms, text messaging, emailing...but we seem __________ the art of communicating face-to-face.
My uncle ____________ in Beijing for over 10 years. Now he lives in his hometown in Xuyi.
Peter said he ______ when he got there but we have never heard from him since then.
The project is reported __________ 3 months ago.
American Indians _______ about five percent of the U.S population.
Gun control is a subject _______ Americans have argued for a long time.