This is the very knife _____ I used to cut apples yesterday.
—Will you go to Mary’s birthday party?—No, ____ invited, I can’t go to it because I’ll be too busy then.
—I’m sorry, but I didn’t mean ____ out your secret.—But you know, letting out secret means ____ one’s feelings.
—I haven’t heard from Henry for a long time.—What do you suppose____ to him?
A good student is honest and kind to others. In other words, he never ____ his friends.
Wouldn’t it be ____ wonderful world if all nations lived in ____ peace with one another?