make a copy
make a duplicate

You may well ask why I didn't make a copy.

Once I asked my father if he'd make a copy of something for me at work.

Some people just feel better when they can make copies of something for free.

They can help teachers and staff by making copies for the class.

We could have made copies and given them to the little girl.

She's sure to have made copies of whatever was important to her.

He was able to get a look at it and quickly made a copy for himself.

I went to make a copy of this in my computer.

He would have let you make a copy of it.

I'd like to make a second copy of what I write.