题干
19．So eager_________a chance to answer questions, little Tommy waved hard and high in class.
A：he was to be give
B：he was to give
C：was he to be give
D：was he to give
答案(点此获取答案解析）
C
也。故王臣公，公
臣大夫，大夫臣士，士臣皂。”上述材料反映了西周社会结构的基本特点是（ ）
