- Does the MP4 0n the desk belong to_______?- No, it is _______.
--- I won’t have time to go shopping with you this afternoon. --- But you ________ me yesterday.
His father often tells him _______ in that river because it’s dangerous.
--- The office isn’t _______. Will you please turn on the lights? --- Sure.
--- I like the program Man and Nature. --- But I _______Sports News.
--- Who helped you clean the classroom yesterday? --- _______. I cleaned it all by myself.