【小题1】I'm afraid there might have been 1，000 audience in the concert last night, ________？
【小题2】— The government must have taken measures to lower the house prices next year, ________？
— Yes. I guess so.
【小题3】There is little doubt in your mind that he is innocent, ________？
【小题4】— I spent two weeks in London last summer.
— Then you must have visited the British Museum during your stay, ________？
【小题5】— He'd like some coffee, ________？
— Yes, but he can't afford it.
【小题6】They should have informed you of the result of the competition by the time it was eventually given out, ________？
【小题7】When you have finished with that book, don't forget to put it back on the shelf, ________？
【小题8】I told them not everybody could run as fast as you did, ________？
【小题9】I'm sure he is unsuccessful, ________？