?Let's visit our English teacher on Sunday, shall we?

?________.

A. That's all right

B. That's right

C. All right

D. It's right

--Let’s visit our English teacher on Sunday, shall we?

--________.

1. A.
   That’s all right
2. B.
   That’s right
3. C.
   All right
4. D.
   It’s right