Paragraph ④:( )

• A、The end of riders' business

• B、The fastest message service

• C、The comfortable home station

• D、The effective system to send mail

• E、Safe delivery despite the tough ride

• F、Need of message exchange in the gold rush

American businessmen often met at coffee houses.（ ）

• A、TRUE

• B、FALSE

• C、Not Given

A.get	E. medicine	I. only
B. called	F. over	J. use
C. similar	G. average	K. usually
D.think	H. valuable	L. development