Itwasnotuntilthe1920s pompomsbegantoplayanimportant...
问题详情：
It was not until the 1920s pompoms began to play an important part in cheerleading.
A. what B. which C. who D. that
【回答】
D
知识点：强调句
题型：选择题
问题详情：
It was not until the 1920s pompoms began to play an important part in cheerleading.
A. what B. which C. who D. that
【回答】
D
知识点：强调句
题型：选择题
