A
:
I'm
not
very
comfortable
on
this
bike
.
B
:
____________________
to
relax
!
It'll
be
OK
.
1
)
A
:
Should
I
wear
a
helmet
?
B
:
Yes
.
It's
____________________
to
protect
your
head
.
2
)
A
:
There's
a
difficult
exam
tomorrow
.
B
:
Try
not
to
be
nervous
.
You'll
be
____________________
.
3
)
A
:
Make
____________________
that
you
stay
with
us
.
B
:
OK
.
I
won't
leave
the
group
.
4
)
A
:
Should
we
take
water
with
us
?
B
:
Yes
.
Your
water
bottles
____________________
to
be
full
.
5
)
A
:
Will
the
journey
be
dangerous
?
B
:
____________________
worry
.
We'll
be
safe
.