问题
选择题
I’m delighted _______ as chairman of the students’ union last winter.
A．to appoint
B．to be appointed
C．to have appointed
D．to have been appointed
答案
答案：D
be +形容词后接不定式做结果状语又根据时间last winter可知是完成的动作所以选D。句意为：很高兴我去年当选为学生会 * * 。