( ) 6. Who has ever been to Water World?
A. Tom. B. Helen. C. Both.
( ) 7. What have they decided to do?
A. To visit Water World. B. To borrow some money. C. To go skating.
听下面一段较长的对话，回答第8~10三小题。
( ) 8. How long did the boy use to stay under the water?
A. Twenty minutes. B. Two hours. C. Three hours.
( ) 9. How many hours can the girl stay under the water?
A. One. B. Two. C. Three.
( ) 10. What competition will they have next weekend?
A. Swimming. B. Diving. C. Driving.
