问题
选择题
Mr. Chen has a loud voice. His voice can ______ clearly, even in that big classroom.
A．be heard
B．hear
C．be hearing
D．have heard
答案
答案：A
考查被动语态。主语voice“嗓音”与hear之间是动宾关系，故用被动，只有A项是被动。句意“陈先生是一个大嗓门，甚至在那个最大的教室，他的声音也能被听得很清楚。”故选A。