Question

Every morning Jack's wife will stand before the mirror, ________ carefully until she has to go to work.

A．dressed	B．dressing
C．to dress	D．having dressed

Answer 1

B

B 考察非谓语动词。句义：每天早上Jack的妻子都要站在镜子前面精心打扮直到必须去上班了。动词dress与其逻辑主语是主动关系，所以要使用现在分词dressing，故B正确。