根据句意及首字母提示填词。

1. It's a q____ to two. Let's go to school.

2. Monkeys like eating b____. They are very clever.

3. —I'd like a b____ of apple juice. What about you, Jack?

    —Milk for me, please.

4. —Can I help you, m____?

    —Yes, please. I want to buy a dress for my daughter.

5. —What are your f____ animals, Yangyang?

    —Monkeys, I think. They're very clever.

土壤的土腥味是由（）产生的土腥味素引起的。