1.本课课程的核心句是She is embarrassed. They are worried. Does anyone ever repair this car? Someone repairs it regularly. It is repaired regularly. Does anyone ever correct these exercise books?someone corrects them regularly. They are corrected regularly.
2.本课课程的核心句是Did anyone meet him at the station this morning? Someone met him at the station this morning. He was met at the station this morning.
3.本课课程的核心句是Does anyone ever open this window? Yes, it is opened regularly.