1 . 听下面一段较长对话，回答以下小题。
1. When can plastic bottles be left outside the door?

A．On Wednesday.

B．On Thursday.

C．On Friday.

2. How does the man sound in the end?

A．Disappointed.

B．Frustrated.

C．Confused.

2 . 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.

3 . 听下面一段较长对话，回答以下小题。
1. What rubbish should go in the yellow dustbin?

A．Plastic bottles.

B．Dead leaves.

C．Old newspapers.

2. Which dustbin should the woman put meat in?

A．The blue one.

B．The green one.

C．The grey one.