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--- Ought he to get down to his work at once? --- Yes, he . ought B. ought to C.

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--- Ought he to get down to his work at once? --- Yes, he . ought B. ought to C.

238. --- Ought he to get down to his work at once?

    --- Yes, he _____.

ought                           B. ought to                   C. must                        D. should to

试题答案

B