19.From this year’s poor results, one can see ______ many changes have been made in the football team and that, sadly, it is no longer ______ it once was.
He wrote ______ song, which turned out to be rather popular with ______ young.
They decided to drive the cow away ______ it did more damage.
No matter how frequently _______, the boy was always in low spirits.
I don’t mind her criticizing me, but ______ is how she does it that annoys me.
—Why didn’t you come to Mike’s birthday party yesterday? —Well, I _____, but I forgot it.