Question

【題目】To his ________ (parent) surprise, Peter received the offer from Oxford University.

Answer 1

【答案】parents'

【解析】

句意：讓彼得父母驚喜的是，他收到了牛津大學(xué)的通知書。to one's surprise令某人驚訝的是，為固定搭配。此處指彼得的父母，應(yīng)用復(fù)數(shù)所有格。故填parents'。