---So how long have you been in Beijing?
---Just a couple of days. I’m on a great tour, you know, and I ______ all the places of interest here

1. A.
   visited
2. B.
   am visiting
3. C.
   have visited
4. D.
   have been visiting

— So how long have you been in Beijing?

— Just a couple of days. I’m on a great tour, you know, and I ______ all the places of interest here.

A. visited        B. am visiting     C. have visited    D. have been visiting

— So how long have you been in Beijing?

— Just a couple of days. I’m on a great tour, you know, and I ______ all the places of interest here.

A. visited        B. am visiting     C. have visited    D. have been visiting

------So how long have you been in Beijing? 

-----Just a couple of days．I'm on a great tour, you know, and I       __ all the places of interest here．

A．visited            B．am visiting             C．have visited        D．have been visiting