UKPrimeMinisterCameronhasbecomethefirstworldleader

问题详情：

 UK Prime Minister Cameron has become the first world leader ______ to fly onboard Air Force One with US Prsident Obama.

   A. inviting                B. invited            C. being invited        D. having invited

【回答】

B

知识点：非谓语动词

题型：选择题