________ you understand this rule, you’ll have no further difficulty.
#80259
A
Once
B
Unless
C
As
D
Until
推荐题目
After the flooding，people were suffering in that area，________ urgently needed clean water，medicine and shelter to survive.(2012·江苏，22)
#30488
A
which
B
who
C
where
D
what
-----Do you have a minute ? I’ve got something to tell you. -----OK, ___________ you make it short.
#32501
A
now that
B
if only
C
so long as
D
every time
Don’t worry! All the problems will be settled ________ we join hands.
#30350
A
only if
B
if only
C
what if
D
even if
Our teacher looked here and there on the playground ________looking for something.
#31118
A
even though
B
as if
C
even if
D
only if
It was not until last year ________ he got in touch with his father in Canada.
#34528
A
where
B
what
C
how
D
that