Mrs Brown was too () to () her child

问题描述:

Mrs Brown was too () to () her child
A busy ; look after B busy ; looking after C busily ; look after D busily ; looking after

选 A
前面是 be 的表语,用形容词busy 后面 是动词不定式 to doCΪʲô����ǰ��һ������was �ı����������˵��������ʲô����ô��ģ����������ݴ������� Mrs Brown��C�� ���ʣ����������ζ��ʵģ�������仰 �� Mrs Brown works too...������ busily ������work