The days when he was_________ his best is already a thing of the past.
— Any advice about this trip?— Well, no food is available on _____ island so make sure you bring _____ packed lunch and drink, as well as your camera and sunblock.
America is an country. You can hear_____ everywhere.
Some students have trouble _____grammar while others have difficulty______ new words.
--What did you say?--So you _____to me.
"Why don’t you stay here over the weekend? " She said._______