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
网友回答
A. dressed
(答案→)B. dressing
C. to dress
D. having dressed
解析：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。