---Alice, what’s wrong with you? You look so worn out.
---Nothing serious. I my new house all day and I’m 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：句意：---爱丽丝，你怎么了？你看起来很疲劳啊。--没什么严重的，我一天一直在粉刷房子，恐怕明天下午才能完成。用现在完成进行时，表示动作从过去一直延续到现在，可能还要继续。选C。