—Look! He’s running so fast! —Hard to __
题型:选择题
问题:
—Look! He’s running so fast!
—Hard to ____ his legs were once broken.
A.know
B.imagine
C.realize
D.find
—Look! He’s running so fast!
—Hard to ____ his legs were once broken.
A.know
B.imagine
C.realize
D.find