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.

14.　 A。列车员生气的情况已发生，所以用一般过去时，故选got。

13.　 B。列车员与allow之间构成被动关系，这里应用被动语态，故选is allowed。

12.　 A。根据文意可知按两次车铃是提醒司机继续前进的信号，动词不定式在此作后置定语，故选to go。

11.　 D。这里for表示一种限定，指专门给驾驶员的信号。

10.　 A。分析四个选项，只有how many后可接可数名词复数

9.　　　 D。got为不接物动词，可以直接接副词home，意为“到家”。

8.　　　 C。因为是直接引语，所以这里用一般现在时。故选is。

7.　　　 B。根据文意可知列车员的话乘客一句也没有听懂。故选a word。

6.　　　 C。与上题同解。