Ⅰ. Listen and choose. 听录音，选出正确的答案。
1. M: What color is your kite?
    W: It’s white and black.
2. M: What color is your ruler?
    W: It is blue.
3. M: How many bags do you have?
    W: Three. They are green.
4. M: Do you have an orange marker?
    W: No. My marker is yellow.
5. M: What color are the bears?
    W: They are brown.