I was giving a talk to a large group of people, the same talk I _____ half a dozen other groups before.[ ]

Don’t forget _____ your history and math books tomorrow morning. — Thanks. I won’t.

_____ the ups and downs in my life, I eventually realized what life was all about.

too many candies is bad your teeth.

I remember I have been here before. There used to be a church near the park, _____? [ ]