ThenumbersoftheSouthChinatiger
- 习题库
- 关注:1.22W次
问题详情:
The numbers of the South China tiger ______ fallen in the last few years.
A. have been B. have C. had D. had been
【回答】
B
知识点:动词时态
题型:选择题
标签:
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/exercises/8op270.html