教练每周三次指导孩子们游泳技巧。

The coach ___instructs the kids in swimming skills three times a week.

老师指示学生们完成课后练习。

The teacher ___instructed the students to complete the homework exercises.

老师详细地指导我们如何完成实验报告。

The teacher ___instructed us in detail on how to complete the lab report.