问题
选择题
—Why，Jack，you look so tired!
—Well，I ________ the house and I must finish the work tomorrow.
A．was painting
B．will be painting
C．have painted
D．have been painting
答案
答案：D
考查动词的时态。答话人叙述的是现在的事实，再结合答语中的时间状语可知答话人从过去到现在一直在粉刷房子，而且还要持续下去，所以用现在完成进行时。