题目内容
Tom’s parents look _________. Maybe they ______ he didn’t pass the exam.
A. happy; has known B. happy; have known
C. unhappy; has known D. unhappy; have known
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题目内容
Tom’s parents look _________. Maybe they ______ he didn’t pass the exam.
A. happy; has known B. happy; have known
C. unhappy; has known D. unhappy; have known