193. I'm busy with (doing)... 我正忙于……
I'm busy with my homework.
我正忙于我的家庭作业。
I'm busy with cleaning the house.
我正忙于打扫卫生。
I'm busy with preparing for my exam next week.
我正忙于为下个星期的考试而准备。
I'm busy with my homework.
我正忙于我的家庭作业。
I'm busy with cleaning the house.
我正忙于打扫卫生。
I'm busy with preparing for my exam next week.
我正忙于为下个星期的考试而准备。