24.[2001上海] I don't suppose anyone will volunteer, ________ ?

20.[1999全国]—Alice, you feed the bird today, ________ ?

—But I fed it yesterday.

16.[1992全国] ________ from Beijing to London!

15.[1992全国] ________ terrible weather we've been having these days!

14.[1991全国] ________ food you've cooked!

13.[1991全国] Don't smoke in the meeting-room, ________ ?

12.[1990全国] Oh, John, ________ you gave me !

7.One can't be too careful in the swimming, ________ ?

3.John isn't a diligent student, for it is the third time that he has been late, ________ ?

1.I am told that you dare not question my idea, ________ .