Choose the correct response

choose the correct response.
1.A:Is there a post ofice near her
b:_____
A.Yes ,it is
b.there s one over there

2.A: let s go to the cinema
b:____
A. what shall we do here
b.where is it

3.A: is our city bigger than Ha Noi?
b:________
A.No , it s smaller
b.yes , it s more beautiful

4.A: is travelling by bus cheap?
B:________
A.that s right
b.yes , is s more convenient