She couldn't tell where one mouse began and another ended.

The old mouse, seeing the humor of the situation, began to chuckle.

Precisely seven minutes after he had left the building the mice began walking across the rails.

The unprotected mice began to develop tumours after three months.

Then, after two weeks of running, the mouse began to eat again.

While Ganesh was still a child, a giant mouse began to terrorize all his friends.

He sat watching as the old mouse began writing in the dust from the rubble.

So fast and so well did he work that by the time the mice began to arrive the truck was all ready for them.

Because the mice are genetically different, he said, the brown mouse began rejecting the new heart immediately.