We should always keep in mind that accidents _______ from carelessness while driving.

I think you should go back to your     plan, which is much more practical than the present one.

There are a large number of plants existing on earth, however, very little _______ was made of them to feed us.

To       good relationships with your teachers and classmates, you should learn to be on good terms with them.

(2013·乌鲁木齐高三第一次诊断性测验)Yesterday, I came across my former classmate, but his name ________ me, which made me embarrassed.