用所给单词的适当形式填空。

1. You look          .(worry). What's the matter?

2. Going to school by boat must be a lot more fun than          (take) a bus.

3. I          (see) some boys playing soccer yesterday afternoon.

4. In America the most popular way of         (get) to school is by car.

5. Most girls like to wear         (color) clothes.