Question

—Look! The boy is running so fast!
—It’s hard to        that his right leg was once broken.
A.warn      B.find      C.imagine

Answer 1

C

此题重点考查三个单词含义的区别，warn警告，提醒；find找到，发现；imagine想象。句意：看，这个男孩跑的如此快。——很难想象他的右腿受过伤。根据语境可知只有C符合题意。