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
题目分析：考查时态。句意：—Jack，为什么你看上去如此疲惫。—好的。我一直在粉刷房子。明天我一定要结束这份工作。故D正确。
点评：时态的考查要放在上下文中进行，要在上下文语境中进行辨析和理解。