- Has John arrived yet?
-- No, she an hour ago.
A. was supposed to e
B. must have e
C. should e
D. ought to have e
网友回答
A. was supposed to e
B. must have e
C. should e
(答案→)D. ought to have e
解析：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。