The more one is ______ the English-speaking environment, the better he or she will learn the language.
-----I wonder if you could go with me to the supermarket. ------- Don’t disturb me. I _____________my experiment report all the morning and haven’t finished yet.
Michael put up a picture of Yao Ming beside the bed to keep himself ________ of his own dreams.
-----Do you have a minute ? I’ve got something to tell you. -----OK, ___________ you make it short.
The Internet connection for the entire area _________ when there was a sudden power cut yesterday.
American Indians _________ about five percent of the U.S. Population.