阅读理解
Many Chinese students don't pay much attention to (注意) spoken English at school. They think it necessary to practice speaking English in class, but not out of class. Here is a story to show you how important it is to speak the English language freely in everyday life.
A foreigner once got hungry and went into a restaurant in London. He sat down at a table. When the waiter came, the foreigner opened his mouth, put his fingers into it and took them out again in order to express that he wanted something to eat, for he could not speak English. The waiter soon brought a cup of tea. The man shook (摇动) his head. The waiter then took away the tea and brought a cup of coffee. The man again shook his head. He tried again and again, but he wasn't able to make the waiter understand him. Finally another man came in. He spoke English clearly and fluently. In a few minutes, there was a large plate of meat and vegetables on the table before him.
So you can see a man will go hungry if he doesn't master (掌握) a foreign language.
根据短文内容，判断下列句子的正误。