If you stand here, you’ll get a better________of the river.

I can’t say which type of tea tastes better. It’s just a（an） ______ of personal preference.

We regret to inform you that the materials you ordered are out of________.

The boy slipped out of the room and headed for the swimming pool without his parents’ _____.

He proved himself a true gentleman and the beauty of his _____ was seen at its best when he worked with others.