2. 外语
  3. The new machine ought to (test) ______ before it is put to use.

The new machine ought to (test) ______ before it is put to use.

admin2008-11-28  38
问题 The new machine ought to (test) ______ before it is put to use.
选项
答案be tested
解析 新机器在使用之前要先做测试，根据句意，这里应该用被动语态。
转载请注明原文地址:https://kaotiyun.com/show/1Y5K777K
本试题收录于： 大学英语三级B级题库大学英语三级分类
0

大学英语三级B级

大学英语三级

相关试题推荐
随机试题
最新回复(0)