You should give clear____for every practice exercise A.instructions B.advice C.direction D.lines

问题描述:

You should give clear____for every practice exercise A.instructions B.advice C.direction D.lines

A 你应该给出清晰的某一项实践操作的指示说明.instruction常用复数形式.
我是精锐老师,不懂的可以继续问我,你是老师?多大年纪了?