contract grading造句

例句与造句

1. He has published on the use of contract grading, the physical set-up of the classroom, and the political aspects of student and teacher roles.
2. Most students are accepting of contract grading; however, the data shows that less than half of students noted they found it helpful and less stressful than letter grades.
3. It's difficult to find contract grading in a sentence. 用contract grading造句挺难的