--- Are these pens your sister’s? --- No, _______ aren’t. They are _______ sister’s. A. they, Lily’s B. they, Lily C. these, Lily
—You are playing basketball really well, Jack. —______.
—Does his mother encourage him _____the piano? —Of course she does. A. to play B. playing C. play C. plays
Nobody is watching TV. _______, will you?
He always eats ______ . He is ______ fat.
Do you know if ______ back next week? If he _______ back, please let me know.