问题
Tom, what’s the matter with you? You look so worn out!–Nothing seriousI ____ 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
B:am whitewashing
C:have been whitewashing
D:shall be whitewashing
正确答案是：
同类题型