Jane is so shy that she is afraid of in front of a group.A. speakB. speaksC. spokeD. speak

问题补充：

Jane is so shy that she is afraid of in front of a group.

A. speak

B. speaks

C. spoke

D. speaking

答案：

A. speak

B. speaks

C. spoke

(答案→)D. speaking

解析：考查：be afraid of doing，害怕做某事，担心某事会发生，句意：珍妮如此的害羞以至于他害怕在一组人面前说话。故选D。