1£®Everything has gone wrong, hasn't it?

2£®He must be in his room now, isn't he?

3£®Neither of you will have coffee, will you?

4£®Listen to me carefully, will/won't you?

5£®I believe he can make it, can't he?

6£®—That isn't important, is it?

—Yes, it is./No, it isn't.

7£®Don't make much noise, will you?