改为反意疑问句： 1、The student don't have much time to play with their friends,______ ________?

改为反意疑问句： 1、The student don't have much time to play with their friends,______ ________?
2、I don't think he can finish it on time,_______ _________?
3、He went swimming last Sunday,________ _________?
4、She doesn;t think I cansurf on the Internet,________ __________?
5、Miss King hardly spoke a word the whole time,________ _________?
6、This isn't very interesting,________ ________?
7、Ann's applied for the job,_______　________?
8、There are a lot of people here,_______ _______?
9、I'm too impatient,______ ________?
10、Don't drop that vase,________ ________?
11、You can speak German,________　______?
12、Let's gofor a walk,_______ ________?