1.There was only a ________________(狭窄的) gap between the bed and the wall.
2.I’d like to know more about details about the _________________(膳宿), especially something about the meals.
3.To catch the early ____________(航班), we ordered a taxi in advance and got up very early.
4.I was driving my car along a muddy _______________(小路).
5.As we all know, the Internet is a useful _____________(来源) of information for us.