________you never plan to visit the polar bears in the North Pole or the penguins in the South Pole，now it is the proper time to start thinking about that.
#30102
A
Until
B
Unless
C
As long as
D
Even if
推荐题目
The new manager had a bad cold, and _________ couldn’t come to the party.
#32014
A
besides
B
because
C
however
D
therefore
They are determined to work out the task,____difficult it is.
#80471
A
however
B
no matter what
C
no matter what
D
whatever
Nearly three months had gone by ______ the seriously injured girl showed a slight sign of recovery.
#31759
A
until
B
after
C
since
D
before
(2014·四川六校高三联考)________is surprising is that there are so many Chinese restaurants in Toronto.
#30030
A
It
B
That
C
Such
D
What
It is the fact ______he doesn’t know his own birthday ______surprises us all.
#31911
A
which; which
B
that; that
C
which; that
D
that; which