________ theme of the Shanghai Expo is “Better city, better life”. It will send _____ message to people around the world to care about the places where they live.
Jerry __________ to stay at home just now.
He went to see the man who was in hospital yesterday.— ______.
David, could you tell me _________?– Every four years.
What did Jack eat?—- He ________ an apple before he ________!