You have never been to London, (a)   ?

They used to live in this city, (a)   ?

Let's have a drink, (a)   ?

Tom can't drive a car, (a)   ?

I'm going to be the boss, (a)   ?

I'm not wrong, (a)   ?

Your parents won't approve this, (a)   ?

Sally didn't come to work yesterday, (a)   ?

Henry works for Google, (a)   ?

There aren't any new books at the library, (a)   ?

We have got a lot of time, (a)   ?