Before the telephone invented by Alexander Graham Bell in 1876, it was hard for people (26)____over long distances. They wrote letters to each other. It could take days or even weeks for letters to be (27)____Then people learned how (28)____telegraph messages. The messages traveled as electric signals that represented a code of dots and dashes. An operator on the other end converted the dots and dashes into a regular message. Bell’s first telephone call went over the same wires used for telegraph messages. As the telephone became (29)____and more popular, it largely replaced the telegraph. Today, our huge telephone network does many things besides carrying telephone calls. It sends copies of letters and pictures from one machine to another, called a (30)____machine.

Question26 : A. to communicateB. communicated        C. communicate          D. communicating

Question27 : A. arrived               B. delivered                C. coming                   D. seen

Question 28:  A. to send              B. to call                      C. to leave                   D. to see

Question 29:  A. more                  B. much                       C. less                         D. better

Question30:  A. phone                B. telegraph                 C. printing                   D. fax

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