The mob gathered round the car like so many flies.
She flapped at the fly with a newspaper.
The homeless people were annoyed by the flies and mosquitoes.
A fly can walk on the ceiling.
Flies and mosquitoes interfered with his meditation.
There are some flies on the wall.
I caught sight of a fly escaping from the room.
The fly is on the ceiling.
Why don't you mind your own business? What do you gain by sticking your nose into other people's affairs?
Spiders prey on flies and other small insects.