You are too busy, so you            keep any pets.

A. ought to
B. ought not to
C. could
D. should
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科目:初中英語(yǔ) 來(lái)源:期中題 題型:單選題

You are too busy, so you            keep any pets.
[     ]
A. ought to
B. ought not to
C. could
D. should

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