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4．He ________ the exams，but he hadn’t worked hard. A．must have got through B. ought to have got through C．would get through D. could get through 解析：考查ought to have done sth.的用法。句意为：他真应 该通过考试，可是他学习不努力。 暗含了过去应该做而实际 未做，用ought to＋ have done。 答案：B 5．The workers demanded that their wages ________ by 10 percent. A．be raised B．raised C．to raise D．raising 解析：考查动词demand 的用法。句意为：工人们要求增加 百分之十的工资。demand 的宾语从句要用虚拟语气，谓语 动词“should＋动词原形 ”should可省略。 答案：A 6．—Mum，I’ve got a bad cold. —Oh. Tom，________ go to see the doctor. A．so you have B．you’d better C．so have you D．I would rather you 解析：考查You’d better do sth.的用法。句意为：——妈 妈，我得了重感冒。——噢，汤姆，你最好去看医生！ 根 据上下文，应用You’d better do sth. “你最好做……”。 | 
