While________the article, I was wondering whether e-books would replace print bo

游客2024-06-21  11

问题 While________the article, I was wondering whether e-books would replace print books soon.

选项 A、reading
B、read
C、was reading
D、to read

答案 A

解析 根据语法分析,所填空格处省略了主语和be动词。故选A。
转载请注明原文地址:https://tihaiku.com/zcyy/3643064.html
最新回复(0)