–Tom, what’s the matter with you? You look so worn out!
--Nothing serious. I my new house all the day and I am afraid I won’t finish until tomorrow afternoon.
A. have whitewashed
B. am whitewashing
C. have been whitewashing
D. shall be whitewashing
网友回答
A. have whitewashed
B. am whitewashing
(答案→)C. have been whitewashing
D. shall be whitewashing
解析：考查时态。现在完成进行时通常与时间状语all the day, all the morning等连用，表示一直以来都在做的事情，而且持续到现在。句意：—Tom，你怎么了？你怎么看上去很疲惫啊？—没关系。我一整天都在粉刷我的新房子，恐怕要到明天下午才能结束。根据句意是指一整天都在做，故选C项。