the meeting himself gave them a great deal of encouragement.
A. The president will attend
B. The president to attend
C. The president attended
D. The president's attending
网友回答
A. The president will attend
B. The president to attend
C. The president attended
(答案→)D. The president's attending
解析：此题为动名词的复合结构在句中作主语，句中“the president's”为名词所有格充当动名词 “attending”的逻辑主语。