问题补充:
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:
A. anxious to do
B. eager for
C. are dying to
D. are longing to
解析: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。