我在玫瑰上刮伤了自己。

I ___scratched myself on the roses.

我们试图把床搬进玛莎的房间时刮伤了油漆。

We ___scratched the paintwork trying to get the bed into Martha's room.

多年来人们一直在这块岩石上刻自己的名字。

People have been ___scratching their names on this rock for years.