问题
选择题
The children talked so loudly at dinner table that I had to struggle ____.
A．to be heard
B．to have heard
C．hearing
D．being heard
答案
答案：A
考查非谓语动词。Struggle to do sth.努力做某事，所以排除C,D；且主语I和hear之间是动宾关系，所以要用不定式的被动形式。选A。