2. 外语
  3. A new material ______ , we have good reason to be optimistic.

A new material ______ , we have good reason to be optimistic.

admin2012-02-28  38
问题 A new material ______ , we have good reason to be optimistic.
选项 A、developed
B、being developed
C、was being developed
D、was developed
答案B
解析 本句话考查的是独立主格的用法。
转载请注明原文地址:https://kaotiyun.com/show/TLnO777K
0

考博英语

相关试题推荐
随机试题
最新回复(0)