mistake n.错误，失误
[观察]He made some mistakes in spelling.他犯了一些拼写错误。
[探究| mistake为可数名词。
[搭配]make a mistake /make mistakes犯错误by mistake 无意中，错误地

[观察]He hit a pipe and filled the room with water.他敲裂了水管，弄得房间里到处都是水。
He filled the bag with clothes.
他把包装满了衣服。
[搭配| fill...with...意为“用….….填充.....

[辨析]fill与full(1)fill为动词,常与介词with
连用，构成短语fill...with...，其被动形式为_be filled with
(2)full为形容词
，意为“满的，充满的”，用来说明所修饰物的状态。be full of意为“充满.....”，相当于be filled with