63. When are you allowed to throw plastic garbage overboard?
举一反三
- Throw garbage here and there.
- Why use glass when you can use plastic?
- When photo is not allowed, what can you do instead?
- Why did you ______ such a good job when jobs are so hard to get A: throw about B: throw off C: throw up D: throw out
- 90. How is the Master or operator of a vessel required to keep the crew informed of the regulations concerning the discharging of garbage overboard? ______.