2. 外语
  3. Whenever work is being done, energy ______ from one form into another.

Whenever work is being done, energy ______ from one form into another.

admin2010-02-19  50
问题 Whenever work is being done, energy ______ from one form into another.
选项 A、converts
B、converted
C、is converted
D、is being converted
答案C
解析 根据题意应用被动语句。
转载请注明原文地址:https://kaotiyun.com/show/EkIO777K
0

考博英语

相关试题推荐
随机试题
最新回复(0)