译林版·英语(高中) Unit 4 Never too old to learn AI 三重审校通过
题目
请在两处空格中分别填入适当的词,使句子使用 it 作形式主语和形式宾语:After the evening course, ___ took the older learners three weeks to finish their research projects, and they found ___ worthwhile to revise each draft with a partner.