This is obviously her doing.这事明明是她干的嘛!What are you doing now?这会儿你在干什么?
用介词 doing造句五句
doing 不是介词
n.做; 不能接受; 难以完成; 事件
v.做( do的现在分词 ); 干; 学习; 研究
On her own ground she knows exactly what she's doing.
她在自己熟悉的领域里对自己的行为有十足的把握。
It is a sneaky and underhand way of doing business.
这种做生意的方式偷偷摸摸，遮遮掩掩。
Go down and see what they are doing downstairs.
下去看看他们在楼下干什么。
This is obviously her doing.
这事明明是她干的嘛!
What are you doing now?
这会儿你在干什么?2015-11-07
