1
.
I
____________________
____________________
(
+
/
be
)
to
Singapore
.
2
.
He
____________________
____________________
____________________
(
-
/
change
)
his
residence
.
3
.
Steven
____________________
____________________
____________________
(
-
/
finish
)
his
homework
yet
.
4
.
I
____________________
____________________
(
+
/
be
)
to
England
three
times
.
5
.
She
has
never
____________________
(
travel
)
by
train
alone
.
6
.
Alice
____________________
____________________
(
+
/
study
)
two
foreign
languages
.
7
.
You
____________________
____________________
(
+
/
grow
)
taller
since
the
last
time
I
saw
you
.
8
.
I
have
never
____________________
(
be
)
to
Singapore
.
9
.
Bill
____________________
still
____________________
____________________
(
-
/
arrive
)
.
10
.
The
government
____________________
____________________
(
+
/
become
)
more
interested
in
Science
and
Math
education
.