21. (单选题) When I tried to find _______that prevented so many people from taking part in the program, it seemed to me that there were two main reasons.( )(本题3.0分) A、 why it did B、 that it did C、 what it was D、 why it was

21. (单选题) When I tried to find _______that prevented so many people from taking part in the program, it
seemed to me that there were two main reasons.( )(本题3.0分)
A、 why it did
B、 that it did
C、 what it was
D、 why it was

出自：赤峰学院- 综合英语II(专升本)

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10245403】个 (题库试题定时更新)