1. 着 is used to show an action that is in progress or continuing, as in 然后他们拿着地图. By using 着 here, it indicates that they took the map with them, as opposed to taking out a map, then leaving it there.

2. 只好 is used in 因为么办法，他们只好用走的.

3. 带走, which literally means “take go” is used in 我们每一个人必须从车上带走一个东西.

4. 好 after a verb, can indicate completion of that action, such as 他们都拿好了以后.

5. You can see a couple of different ways used to ask and reply in: 几分钟后，第二个人问第一个人说 and 第三个人回答说