Question

—Has Jane arrived yet?

—No, she_______ an hour ago

1. A.
   was supposed to come
2. B.
   must have come
3. C.
   should come
4. D.
   ought to have come

Answer 1

D
考查虚拟语气。句意：简已经到了吗？——不，她应该一小时前就到了。“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。