Though ________ in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life.
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.