英语选择题The kids spend a lot of time in watching TV when their mothers are busy ____ the housework.

分类: 作业答案 • 2021-12-20 12:38:57

问题描述：

英语选择题The kids spend a lot of time in watching TV when their mothers are busy ____ the housework.
A in B on C at D with

答

A、解释是：be busy with sth、be busy in doing sth（in可以省略）是固定搭配!