根据句意及首字母提示写单词。

1. They had some coffee in the l             __ while they were waiting for the train.

2. We can find various forms of t________ around us: bikes, cars, trucks, boats, etc.

3. She doesn’t often travel in an a________ because she doesn’t think it’s safe.

4. A c_______ is a large comfortable bus used for sightseeing or long-distance travel.

5. The train is coming and every passenger is ready for d________.

人类 * * 瘤病毒的宿主是（）

A.猿

B.猴

C.人

D.大白鼠

E.小白鼠