问题
选择题
All the people present agreed that the matter required ___________.
A．to look into
B．being looked into
C．to be looked
D．looking into
答案
答案：D
考察固定结构。Sth require doing/to be done某事需要被做；结合句意可知D正确。句意：在场的所有人都同意这件事情需要进一步调查。