Bob ran down the road But he fell over.

 As soon as the thunder roared,the hobbits hid.

Bilbo slept in a cave until the goblins attacked.

The cart came to a wheezing halt as gradalf strode into the hobbit hole.

Before Jim was interested in the idea, he rang his friend.

Because Owls are nocturnal,this means they are active at night and they have excellent eyesight.