哪些字同時存在動詞、名詞？

Wendy didn’t prepare for the test, so she didn’t know what to fill in the ＿＿＿.

Do you know there’s a black ＿＿＿ on your white shirt?  I think it’s going to be hard to be washed out.

The little girl ＿＿＿ her hair all the time, so her hair always looks beautiful.

Look at the picture and answer the question.
A：Which one is your cousin up there?
B：The guy with black hair.
A：You mean the man in light pants?
B：No, my cousin is the man in black pants.  He is playing the ＿＿＿.

A：You know what?  My car ran out of ＿＿＿ on my way to work this morning, so I was late.
B：Poor you.  Today is not your day.