问题补充:
--- Is Tina a shy girl?
--- Yes, she is always afraid of in front of her classmates.
A. giving
B. give a speech
C. give a speaking
D. giving a speech
答案:
A. giving
B. give a speech
C. give a speaking
(答案→)D. giving a speech
解析:句意:缇娜是一个腼腆的女孩吗?是的,她总是害怕在她的同学面前做讲演。根据of后面跟名词或动名词可排除BD,根据题意可排除A。故选D。