问题
选择题
When _____ her father would come soon, she had an _____ look on her face.
A．heard; excited
B．hearing; exciting
C．hearing; excited
D．heard; exciting
答案
答案：C
第一空考查非谓语动词，hear与she之间是主动关系，故用现在分词hearing,第二空考查过去分词作定语，形容人或是人的眼神，表情，声音等等，要用过去分词，这时的过去分词已形容词化，所以选C。
达到平衡的标志是 （ ）