The police are________to conclude that the cause of fire had been a cigarette end.
182. To the sea captain’s surprise, he found that travel could also be quite pleasant.
181. In the hospital, there are a lot of _____.
180. There is a _____ of understanding between them. Otherwise, they will be good friends.
179. In China, the majority of men earn their living by manual ______.
178. There are four basic _____ of blood in the human body. What do you belong to, A, B, AB or O?