both sides accept these terms will everlasting peace be established in this region.
A. Unless
B. As long as
C. If only
D. Only if
网友回答
A. Unless
B. As long as
C. If only
(答案→)D. Only if
解析:Only+状语位于句首主句要倒装。A. Unless 除非 B. As long as 只要 C. If only 如果…就好了 D. Only if 只有… 句意:只有双方接受这些条款永久的和平才能在此地区实现。 选D