中文谷It'sourduty ourhometowncleanandbeautiful.Wemust...
- 習題庫
- 關注：5.88K次
問題詳情：
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
知識點：非謂語動詞
題型：選擇題
標籤：
Itsourduty
- 文章版權屬於文章作者所有，轉載請註明 https://zhongwengu.com/zh-tw/exercises/5emzzz.html
