—________do you study English?—By reading and listening to tapes.
―Would you like to visit the new museum with us this Sunday? ―________, but I will have to work then.
― Where is Mr Brown, do you know? ― Oh, sorry. He is out. He ___________ back in an hour.
― Hello! May I speak to Mary please? ― ________. I will go and get her.
―Why are you in such a hurry, John? ―There ________ a basketball match between Class Three and our class in ten minutes.
― Let me help you carry the box. ― No, thanks. It’s big, ________ there is nothing in it.