问题
选择题
I was afraid__________to my customers because I was afraid__________them.
A．of talking back；to lose
B．of talking back；of losing
C．to talk back；to lose
D．to talk back；of losing
答案
D
be afraid to do作“不敢……”解(侧重指不敢作出的一种行为)；be afraid of doing 作“担心……”解(侧重强调害怕产生某种后果)。