As a(n) _____ for us to work harder, the principal announced that any class that raises $5,000 or more for charity on school fair would receive free pizza and ice cream.
Acourtesy
Bactivation
Cincentive正確答案
Dresistance
答案與詳解
incentive 意為「激勵、獎勵、誘因」,完全符合句意:校長以免費披薩和冰淇淋作為班級努力募款的激勵措施。
