You ______ last week if you were really serious about your work.a. ought to come
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You ______ last week if you were really serious about your work. a. ought to come b. ought to be coming c. ought have come d. ought to have come |
答案
d |
解析
略 |
举一反三
The elephants ought ______ hours ago by the keepers. a. to be fed b. to feed c. to being fed d. to have been fed |
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You ______ the examination again since you had already passed it. a. needn’t have taken b. didn’t need to take c. needn’t take d. mustn’t take |
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