Juan
:
Really
?
How
____________________
students
____________________
in
your
classes
?
Yuko
:
____________________
25
to
30
.
____________________
that
unusual
?
Juan
:
No
,
it
____________________
.
Who's
your
grammar
teacher
?
Yuko
:
Mr
.
Walters
.
____________________
funny
,
but
his
class
____________________
difficult
.