p59

Unit 4, on the phone, vocabulary, communication, communicate, contact, keep in touch, send,

online communication, receive, cell phone, chat online, face -to -face interaction,

make a phone call, messenger birds, printing machine, radio, send an email, send a

postcard, smoke signals, smartphone, talk on the phone, television, telegraph, text a

message, use social networks, video chat, write a letter, purposes of smartphone

applications, improve a foreign language, find the way in traffic, share ideas, share

opinions, play educative games, solve a puzzle, learn the lyrics of a song,

translate a sentence, practice lessons by something online, learn how to cook, give

other important words, appointment, bill, communication, interaction, company, get

angry, contact, disabled, disturb, customer, product, voluntary, warranty,

deliver, repair, item, urgent, start a campaign, donate, call center, pros and cons,