语法与词汇 20.My mother was determined to help those in need and she would have been immensely proud of what has been achieved these last 20 years. The italicized part in the sentence expresses______. (2018-20)
【正确答案】 A
【答案解析】情态动词。情态动词的过去时形式可表示假设意义，即做想象性用法、表示主观设想。本句表达的正是说话人的想法，故本题答案为A。