完形填空。 One day Mark Twain was invited to
题型：完形填空
问题：
| 完形填空。 One day Mark Twain was invited to __1__ a talk in a small town, He met a young man, one of his friends. The young man said that he had an uncle, his uncle __2__ laughed or smiled. "you bring your uncle to my talk tonight," said Mark Twain. "I'm sure I can make him laugh."That evening the young man and his uncle sat __3__ the front. Mark Twain told several funny stories. __4__ made everyone in the room laugh. But the old man never __5__ smiled. Mark Twain told __6__ funny stories, but the old man still kept __7__. Finally, he stopped. He felt very tired and gave up.__8__ later, Mark Twain told a friend of his about __9__ had happened, "Oh", said his friend, "I know that old man. He has been _10__ for years." | ||||
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