Question

When he climbed a tall tree to save a little girl, he risked ________ off it and ________ his legs, but he landed safe in the end．

1. A.
   falling; breaking
2. B.
   to fall; break
3. C.
   falling; break
4. D.
   to fall; broke

Answer 1

A
考查动词句型risk doing sth．。从下文中可知道的他的腿没有受伤，所以后面是平行结构，break是和fall并列作risk的宾语。