试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
(definite)
The peace talk between the two countries has been postponed for a(n) 
period.
参考答案
试题解析
根据句意可推断出何谈被延迟。在此句中的一般现在时，表示延迟还未结束。所以应该填definite的反义词。
句意：两国间的和谈推迟至一个不确定的时期。