{{i}}quEstions 14～17 ArE BAsED on thE Following DiAloguE.{{/i}}

whAt is mr.Bush’s mAin purposE oF thE tripA．sightsEEing inAustrAliA AnD thE FArEAst.
B．visiting A FriEnD inCAiro.
C．AttEnDing A ConFErEnCE in syDnEy.
D．shopping in hong kong.