The little boy is ________ to know how the people in the South Pacific Ocean are living． （ ）
— __________?
— He wants to join the swimming club.
我国古代的伟大工程蕴含着中华民族文化与精神的底蕴。隋朝时修筑的促进南北经济文化交流的重要工程是（ ）
