问题
选择题
Has he ever been heard __about his trip to the lonely island?
A．of talking
B．talk
C．to talk
D．to say
答案
答案：D
在主动语态中，hear sb do sth ，而在被动语态中，被省略的to 要加上去。故选D
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Has he ever been heard __about his trip to the lonely island?
A．of talking
B．talk
C．to talk
D．to say
答案：D
在主动语态中，hear sb do sth ，而在被动语态中，被省略的to 要加上去。故选D