Question

She’s afraid of ______  in front of other people.
speak     B. speaks       C. speaking        D. spoke

Answer 1

C

考查非谓语动词。固定结构be afraid of doing sth表示害怕做某事，本句中of是介词后面接名词或者动名词做宾语，故选C，动名词表示抽象动作。