He is afraid of tell them about it

问题描述:

He is afraid of tell them about it
He is afraid of ___(tell) them about it
I was afraid ____(speak) English in class
the result of his English test is ___(amaze)

1 telling ( 介词后的动词用ING)
2 to speak
3 amazing He practiced ___(pronounce)the words again and again.应该怎么填?pronouncing