1
.
If
you
(
have
)
____________________
any
questions
,
ask
.
2
.
What
will
you
do
if
the
letter
(
not
arrive
)
____________________
____________________
by
tomorrow
.
3
.
If
I
(
be
)
____________________
you
,
I'd
call
the
doctor
.
4
.
What
would
you
do
if
you
(
win
)
____________________
the
lottery
?
5
.
If
I
study
,
I
(
pass
)
____________________
____________________
the
level
.
6
.
If
it
is
four
o'clock
in
Ecuador
,
it
(
be
)
____________________
three
o'clock
in
Galapagos
.
