“Do you know who cleaned blackboard yesterday?"假设是Jack干的,该怎样回答?
问题描述：
“Do you know who cleaned blackboard yesterday?"假设是Jack干的,该怎样回答?
帮帮我.我不知道应该是：Yes,Jack did.还是Yes,Jack cleaned.谢谢各位!
答
如果只是强调知道或不知道,则回答YES or NO即可.
若是强调是谁的话,就直接回答Jack did.即可.