12. Write (+), (-) and (?) sentences with been.
Example: (+) They / Osh → They've been to Osh.
a) (-) I/Tokmok
d) (+) My parents Africa
b) (?) you/Sokuluk
e) (?) Leila and Kate / Jalal-Abad
c) (-) Bakyt and Nurlan / Batken f) (-) We/Russia​