中文谷It'sourduty ourhometowncleanandbeautiful.Wemust...
- 习题库
- 关注：5.88K次
问题详情：
It's our duty our hometown clean and beautiful. We must do something for it.
A. keeping B. keeps C. to keep
【回答】
C
知识点：非谓语动词
题型：选择题
标签：
Itsourduty
- 文章版权属于文章作者所有，转载请注明 https://zhongwengu.com/exercises/5emzzz.html
