She'sbusy________herhomeworknow.A.d

发布时间：2020-07-26 06:11:48

She's busy ________ her homework now.A.doB.to doC.doingD.did

网友回答

C解析be busy doing sth. /with sth. 忙于做某事。
以上问题属网友观点，不代表本站立场，仅供参考！