Who did the teacher, as well as the monitor, ____ an article for the wall newspaper?

A．has write

B．has written

C．have write

D．have written

发动机运转，出现“嚓、嚓”的摩擦声时，应先检查（）。

A、飞轮

B、离合器从动盘

C、踏板自由行程

D、离合器压盘