Yes.
a long time..
A dog should go out for a long time about 25 minuits at least.
a long time
Yup.
a long time.
long time go on plain
The Camel stores the water in his humps so he can go a long time without water.
It means to go back in time for example.
you can go anywhere, but it may take a very long time
a long time ago
No