The man was walking along the street he stopped and looked as if whether he was going in the right direction.
22.—I am travelling to Japan tomorrow, Would you please tell me about your experiences there ? — . Let’s discuss it over lunch.
21.In recent years global warming has become concern for people all over the world.
35. global warming , those present at the international meeting also discussed other issues.
34.—I can’t find Mr. Brown. Where did you meet him this morning ? —It was in the hotel he stayed .
32.Though the man was badly hurt in the accident , he was still and could think clearly.