【题目】Leaders of the two countries have had ________ contacts and continuously promoted their political mutual trust.
A.frequentB.secureC.specificD.social
在线课程【答案】A
【解析】
考查形容词。A. frequent频繁的；B. secure安全的；C. specific特定的，明确的；D. social社交的。句意：两国领导人交往频繁，政治互信不断增强。结合句意可知答案为A。