1 . 听下面一段独白，回答以下小题。
1. Where do Indonesians put their garbage?

A．In the front of their houses.

B．In the public garbage cans.

C．In the official garbage bags.

2. What colored cans do Germans put metals?

A．Yellow.

B．Blue.

C．Gray.

3. What do we know about the garbage bags in Korea?

A．Their price depends on the type of waste.

B．They are provided by the government for free.

C．Different districts have different official garbage bags.