问题补充:
In April, , President Hu inspected the warships in Qingdao, the 60th anniversary of the founding of the PLA Navy.
A. marking
B. marked
C. having marked
D. being marked
答案:
(答案→)A. marking
B. marked
C. having marked
D. being marked
解析:考查现在分词做状语。句意:在四月份,胡锦涛检查了在青岛的战舰,这标志着中国人民解放军海军成立60周年。这里是现在分词做结果状语, 选A。