【题目】The painter was busy (调配,混合)his colours.
在线课程【答案】mixing
【解析】mixing 固定词组:be busy doing sth.忙着做某事,故填mixing。
编辑:chaxungu时间:2026-04-27 03:09:18分类:高中英语题库
【题目】The painter was busy (调配,混合)his colours.
在线课程【答案】mixing
【解析】mixing 固定词组:be busy doing sth.忙着做某事,故填mixing。