—Mary’s score on the test is the highest in her class.—Really? She have stud

题干

—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

上一题下一题 0.4难度单项选择更新时间:2012-05-27 01:53:56

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