To maintain a telephone conversation over the Internet. The voice packets must arrive at t

This letter is _____ our telephone conversation this morning.A、confirmedB、to confirmC、to

In maintaining that migrating animals would need "a fantastic map sense" to determine thei

AT&T refers to ______.A．American Telephone & TelexB．Associated Telephone & Tel

Many people have made a _____ to a physical fitness program so as to maintain good h

In order to maintain physical well being a perso

In order to maintain physical well being a person