问题
选择题
- Has John arrived yet?
-- No, she _______ an hour ago.
A．was supposed to come
B．must have come
C．should come
D．ought to have come
答案
答案：D
考查虚拟语气。句意：约翰已经到了吗？——不，他应该一个小时后到达。“ought to+have+done”表示过去应该做而实际并没有做，译成“理应做……”，往往表示遗憾。故选D。