2. 外语
  3. Engineers had a better choice of material, ______________ (当新发明被投入使用以后).

Engineers had a better choice of material, ______________ (当新发明被投入使用以后).

admin2010-10-28  38
问题 Engineers had a better choice of material, ______________ (当新发明被投入使用以后).
选项
答案after the new invention was put into use/practice/operation
解析
转载请注明原文地址:https://kaotiyun.com/show/4Sz7777K
0

大学英语六级

相关试题推荐
随机试题
最新回复(0)