填空题

energize enhance enshrine entail enthrall
entwine estrange evacuate evince evoke exalt exasperate

The fox really ______ them both. As soon as they had let the fowls out, in the early summer mornings, they had to take their guns and keep guard; and then again as soon as evening began to mellow, they must go once more.

【参考答案】

exasperated