问题
选择题
It’s__________ for all of them__________ to the top of the mountain.
A．tiring; getting
B．tired; to get
C．tired; getting
D．tiring; to get
答案
D
题目分析: 句意：对于我们所有人来说，爬到山顶是无聊的。get to到达，top of the mountain山顶；不定式to get to the top of the mountain做真正主语，It形式主语；tiring令人无聊的，修饰物，故选D