15. C。根据文意,这位乘客知道列车员生气的原因之后, 应说“I see.”。
22
Allan was worried. This was his first time to go traveling 1 . He didn’t know how to find his
seat, 2 he
went to the air hostess(空姐) and asked, “Could you help me? I can’t find my seat.” The air
hostess showed 3 the seat and told him 4 and fasten the seat belt(系好安全带). She told Allan not to move
about when the plane was going up. And she also said that Allan’s ears might
feel 5 strange, but he didn’t need to 6 it because many people felt 7 that. When the plane was flying very
high, Allan could stand up and walk around. He could 8 read books, newspapers or see films. The air
hostess would
__9__ food
and drinks. Allan would enjoy the flight and 10 soon.