问题补充:
My mother is busy the room.
A. clean
B. to clean
C. cleaning
D. cleans
答案:
A. clean
B. to clean
(答案→)C. cleaning
D. cleans
解析:根据题干可知,此句考查的重点是固定短语be busy doing sth表示忙于做某事,本句的含义是妈妈正忙着打扫房间,故选C。
时间:2018-10-18 00:50:13
My mother is busy the room.
A. clean
B. to clean
C. cleaning
D. cleans
A. clean
B. to clean
(答案→)C. cleaning
D. cleans
解析:根据题干可知,此句考查的重点是固定短语be busy doing sth表示忙于做某事,本句的含义是妈妈正忙着打扫房间,故选C。