When he saw we were upset, he began to us for hours with his stories and jokes.
A. encourage
B. educate
C. entertain
D. astonish
网友回答
A. encourage
B. educate
(答案→)C. entertain
D. astonish
解析： 词义辨析。encourage鼓励；educate 教育；entertain娱乐，使高兴；astonish
使震惊。句意：当他看到我们很沮丧时，他开始用故事和笑话让我们开心了几小时。所以选C。