Question

She always watches her son ________ the road every morning, or she will feel worried.

A．crossing

B．cross

C．to cross

D．to crossing

Answer 1

B

试题分析：句意：她总是注视着儿子过马路，否则她就会感到不安。Watch sb do sth意为“看某人做了某事”，强调动作的全过程；而watch sb doing sth意为“看见某人正在做某事”，强调动作正在进行或发生；本句是说儿子每次过马路的时候妈妈都会在一边看着；故选B。