Had he her promise she would have made it to Yale University.A. looked up toB. lived up t

问题补充：

Had he her promise, she would have made it to Yale University.

A. looked up to

B. lived up to

C. kept up with

D. come up with

答案：

A. looked up to

(答案→)B. lived up to

C. kept up with

D. come up with

解析：考查动词短语的意思， A. looked up to尊敬 B. lived up to 不辜负

C. kept up with跟上 D. come up with 提出

原句：if he had lived up to her promise,she would have made it to Yale University.

过去虚拟句的省略。