综合填空，首字母已给出。10%
It is a fine Sunday m    . Liu Mei and Wei Fang want t    go to the Great Wall . At a         seven o’clock , they a     in a big bus . There are m    people in it . Liu Mei and Wei Fang g    their seats to two old women . There are two other Chinese in the bus . One is a woman . She is driving the bus . The o    is a young man . H    speaks English very well . He is talking about the Great Wall w    the people in the bus . A    the other people are listening to him . At about nine o’clock , they get there .