22.What do we know about Sri Lanka?
A.It's located in the Andaman Sea.
B.It's also called "the garden island".
C.Visitors can explore sunk ships there.
D.Visitors can experience Tahitian culture there.
23.What can visitors see on the Ko Phi Phi,Thailand?
A.Interesting plants and animal species.
B.Amazing dinosaur fossils and parks.
C.Thick forest and ancient art treasures.
D.White churches and sleepy fishing villages.