What had she done?
She looked up at the clock.

It seemed just the same as usual, the cuckoo's doors closely shut, no sign of any disturbance.

Could it have been her fancy only that he had sprung back more hastily than he would have done but for her throwing the book at him?
She began to hope so, and tried to go on with her lessons.

But it was no use.

Though she really gave her best attention to the long addition sums, and found that by so doing she managed them much better than before, she could not feel happy or at ease.