Alfredo has gone scuba diving before.
举一反三
- How many steps are mentioned concerning scuba diving?
- 2. How long did it take Chris to get a scuba diving license?
- What will Bob mostly be doing on his trip to St. Lucia? A: Reading and scuba diving. B: Scuba diving and motocycling with Gloria. C: Accompanying Gloria on shopping and dancing. D: Doing whatever pleases Gloria.
- Which of the following activities will negatively influence animals?( ) A: hunting B: wildlife observation C: swimming with dolphins D: scuba diving on reefs
- Ships are often sunk in order to create underwater reefs (暗礁) perfect for scuba diving (水肺式潜泳) and preserving marine __1__.