– Mary was crying sadly.
-- Oh, she ________ the bad news that her mother was badly injured in the accident.
A.must know | B.might have known | C.must have known | D.should have known |
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– Mary was crying sadly.
-- Oh, she ________ the bad news that her mother was badly injured in the accident.
A.must know | B.might have known | C.must have known | D.should have known |