听短文，选择最佳答案，短文念两遍。 1. There are about _____ public beaches in Hong Kong. A. four B. fourteen C. forty 2. You can get to _____ of the beaches by bus. A. some B. all C. most 3. There are _____  on many of the beaches. A. shops and changing rooms B. kitchens and toilets C .classrooms and changing rooms 4. You can swim _____. A. right after a meal B. alone C. with some of your friends 5. You must remember: _____. A. Never swim alone. B. Never get out of the boat if you can swim C. You can swim when you feel tired.