问题
选择题
She was afraid __________ the dog in case it became dangerous.
A．of exciting
B．to excite
C．that she excited
D．to be exciting
答案
答案：B
B be afraid后面既可以跟不定式be afraid to do sth．，又可以跟动名词be afraid of doing sth．，但前者的意思是：害怕／不敢做某事；后者的意思为：对可能出现的结果的发愁或忧虑。