选择：I found a little boy _____ in the corner.to crycriescriedcrying原因?
问题描述：
选择：I found a little boy _____ in the corner.
to cry
cries
cried
crying
原因?
答
D
find sb. doing sth.
发现某人正在做某事
答
crying
我发现有一个小男孩在角落里哭泣。
答
crying.found sb doing发现某人正在做