问题
选择题
____was known to us all that Johnson had broken his promise____he would give each of us a small gift.
A．As; which
B．What; that
C．It; that
D．It; which
答案
答案：C
主要测试形式主语以及同位语从句。由题干可知关键词为：that 和promise。
【知识点分类】代词；同位语从句