Complete the sentences with a question tag.
1.They could buy something nice,____?
2.They couldn't buy anything,____?
3.They could buy nothing,_____?
4.They did nothing,_____?
5.He told nobody about it,_____?
6.We have got nothing interesting to give him,___?
7.There is nothing here,____?
8.She never goes to the cinema,_____?
9.The Browns never go to the circus,___?
10.Your mother never cooks meat for breakfast,____?