2. 专升本
  3. All the apparatus______before the experiment began.

All the apparatus______before the experiment began.

admin2014-01-01  55
问题 All the apparatus______before the experiment began.
选项 A、were prepared
B、had been prepared
C、had prepared
D、have been prepared
答案B
解析
转载请注明原文地址:https://jikaoti.com/ti/FNmGFFFM
本试题收录于： 英语题库普高专升本分类
0

英语

普高专升本

相关试题推荐
随机试题
最新回复(0)