．You’d better get the problem solved as soon as possible ______ it becomes out of control．
#33130
A
when
B
before
C
since
D
unless
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— Have you got any idea for the summer vacation? — I don’t mind where to go ________ there’s sun, sea and beach.
#30795
A
as if
B
now that
C
as long as
D
for fear that
_________you have expressed your fierce determination to get it right, you should act immediately.
#31865
A
Even though
B
Ever since
C
Now that
D
As though
Loulan city is not at all a traveler who has never seen the desert before can imagine.
#31645
A
that
B
what
C
which
D
where
It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
#30966
A
that
B
whether
C
what
D
how
______ I always felt I would pass the exam, I never thought I would get an
#30946
A
While
B
Unless
C
If
D
Until