Anexpertteam
- 习题库
- 关注:4.14K次
问题详情:
An expert team ______ to study H7N9 bird flu virus in April, 2013.
A. is set up B. was set up C. has set up
【回答】
B
知识点:相似 相近词比较
题型:选择题
标签:
Anexpertteam
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/exercises/k2lydk.html