问题
选择题
---I hear Liza and her husband have flown to Hawaii for their honeymoon．
---Oh, how nice! Do you know when they ?
A．were leaving
B．had left
C．have left
D．left
答案
答案：D
题目分析：考查时态。本题用一般过去时陈述的过去的事实。句意：——我听说丽莎和她的丈夫飞往夏威夷度蜜月。——哦，真好！你知道他们什么时候离开的。故D正确。