1
.
I
____________________
a
student
.
(
+
)
2
.
I
am
____________________
a
doctor
.
(
-
)
3
.
____________________
you
an
engineer
?
(
?
)
4
.
____________________
are
happy
.
(
+
)
5
.
I
am
not
____________________
teacher
.
(
-
)
6
.
____________________
I
a
teacher
?
(
?
)
7
.
I
____________________
____________________
doctor
.
(
+
)
8
.
____________________
you
thirsty
?
9
.
Are
____________________
sad
?
10
.
I
____________________
____________________
actor
.
(
+
)
