问题
选择题
After Yang Liwei succeeded in circling the earth, Chinese astronauts __________ walk in space.
A．anxious to do
B．eager for
C．are dying to
D．are longing to
答案
C
本题考查谓语动词。所选项应为动词，排除A. B项；D应该为long to do sth且不用进行时态。be dying to do sth渴望做某事。