---about the student,the teacher called his parents to find out why he was so often absent from

分类: 作业答案 • 2021-12-19 23:11:21

问题描述：

---about the student,the teacher called his parents to find out why he was so often absent from
class.
A、concering B、 concerned 为什么选b?我不懂.

答

补全你就知道了.
【As they were 】concerned about the student,.
be concerned about .关心.