The maths problems are too hard, only ______ people can work them out.
Who are you talking _________?
Mr. Black often _______ to the cinema on Saturday evenings .
—What’s Jim doing now ?—He ________ TV with his father in the living room.
—Hi! Ann, I have good news for you .—______? What is it ?
—What’s Betty doing in her room ?—She’s putting _______ her clothes .