2,There have been two factories,haven't there?
3,The Greens went home,_didn't they?
4,Tom hardly finished the work,__didn't he __?
5,You have never beento Hong kong,_have you ?
6,There is nothing wrong with you,_is there ___?
7,There will be less pollution here,_won't there ___?
8,There will be thought,__won't there __?
9,Nobady has been there,__hasn't it __?
10,Li ming and I go to school,_don't we ___?
11,They seldom go to school go to school by bike,__do they _?
12,Let's play volleyball together,_shall we ___?
13,Let's get everything ready,_shall we ___?
14,None of the food was wasted,__was it __?
15,You're better do it at once,_____?不對吧