根据句意，用所给词的适当形式填空。

1. I am _____ (surprise) at the news. What about you?

2. When I passed the driving test, I thought I was the _____ (luck) person in the world.

3. The little boy is _____ (kind) to his classmates, so nobody likes him.

4. What do you think about the air _____ (pollute) in your hometown?

5. Danny and Daniel are brothers, and their _____ (wife) are sisters. That's interesting.

下列市场调查方法中，( )是最复杂、费用较高、应用范围有限的方法，但调查结果的可信度较高。

A．实验调查

B．实地调查

C．文案调查

D．问卷调查