Improving a bus service

Put the paragraphs in a logical order.

使用上下按钮调整顺序；键盘也可操作。

1. 1

   To address this problem, the company added an extra departure before eight o’clock.

   ↑↓
2. 2

   A bus company asked passengers what they thought about its morning service.

   ↑↓
3. 3

   After a month, a second survey showed that fewer passengers were being left behind.

   ↑↓
4. 4

   The responses revealed that the earliest buses were often too full for everyone to board.

   ↑↓