---Mary’s score on the test is the highest in her class. ---Really? She have studied very

发布时间：2020-08-16 10:02:06


---Mary’s score on the test is the highest in her class.
---Really? She      have studied very hard.
A. may
B. ought to
C. must
D. should

网友回答

A. may
B. ought to
(答案→)C. must
D. should
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