Peter’s jacket looked just the same as Jack’s, but it cost ______ his.
However, they can hardly blame me; it is ________ their own fault.
Invention can be ________ as it may suddenly begin just by noticing something usual.
—You don't seem to be quite yourself today. What's wrong? —Oh, I'm suffering from a cold. Nothing serious, ________.
—How do you like your new roommate? —He is too ________. He never shares his snacks with me.
—I watch I Am a Singer every Friday night. —Me too. I have never seen a ________ entertainment program.