问题补充:
-Our classroom every day.
-So it is. It’s our duty to keep it clean and tidy.
A. cleans B. is cleaning C. is cleaned
答案:
解析:我们每天打扫教室。——就该如此。保持教室的干净整洁是我们的义务。好语境可知上文描述的是经常性动作,故用一般现在时态。句子主语是动作对象,故用被动语态。选C。
时间:2023-02-04 14:28:42
-Our classroom every day.
-So it is. It’s our duty to keep it clean and tidy.
A. cleans B. is cleaning C. is cleaned
解析:我们每天打扫教室。——就该如此。保持教室的干净整洁是我们的义务。好语境可知上文描述的是经常性动作,故用一般现在时态。句子主语是动作对象,故用被动语态。选C。