13.Helen:I haven't talked to Mary for a very long time!(56)E.
Wendy:Yes,I have.(57)F.
Helen:How is she?
Wendy:(58)AShe has changed a lot.
Helen:She used to be very shy and quiet.
Wendy:(59)DThese days she's really confident!
She also told me that she studies more now.Her maths grades are a lot better.(60)C.
Helen:Wow!That's great!
A.Oh,she's great.
B.What do you think of Mary?
C.She's at the top of the class now.
D.But she is not shy and quiet any more.
E.Have you seen her these days?
F.She's in mv Maths study group.