“The impact will only grow Iran’s leaders decide to change course and meet their international obligations,” US Secretary of State Clinton warned．
#32377
A
in case that
B
provided that
C
unless
D
until
推荐题目
I borrow the book Sherlock Holmes from the library last week, ______ my classmates recommended to me..
#30015
A
who
B
which
C
when
D
Where
we go there by train or by ship makes no difference．The time and the fees are the same．
#33137
A
Which
B
How
C
Whether
D
Why
This is a process happens when land becomes desert people cut down trees and dig up grass.
#33051
A
when; because
B
that; because of
C
when; because of
D
which; because
-----“_____ when does the pub stay open?” ---- “About midnight.”
#80010
A
Since
B
Before
C
Until
D
After
It is by no means clear ________ the president can do something to end the strike.
#30079
A
whether
B
which
C
that
D
what