听短文，选择正确答案。 1．Where is John from? [     ] A．Canada B．England C．USA 2．When did John come to China? [     ] A．Last summer B．Last week C．Last month 3．Why couldn't the waiter help John? [     ] A．Because he had no mushroom (蘑菇). B．Because he had only bad mushroom. C．Because he didn't know English at all. 4．Why did the waiter smile? [     ] A．Because he thought he understood John. B．Because he liked John's picture a lot. C．Because he could learn a lot from John. 5．What did the waiter come back with at last? [     ] A．A piece of paper B．A black umbrella C．Another picture